CN114407997A - Extension mesa locking structure and shallow - Google Patents
Extension mesa locking structure and shallow Download PDFInfo
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- CN114407997A CN114407997A CN202210094415.4A CN202210094415A CN114407997A CN 114407997 A CN114407997 A CN 114407997A CN 202210094415 A CN202210094415 A CN 202210094415A CN 114407997 A CN114407997 A CN 114407997A
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- abutting
- table top
- button
- locking
- expansion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G12/00—Accommodation for nursing, e.g. in hospitals, not covered by groups A61G1/00 - A61G11/00, e.g. trolleys for transport of medicaments or food; Prescription lists
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0006—Bumpers; Safety devices
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- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nursing (AREA)
- Legs For Furniture In General (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention discloses an expansion table top locking structure and a trolley, wherein the expansion table top locking structure comprises an operation table, an expansion table top and a locking assembly, and the expansion table top is movably arranged in the operation table; the locking assembly is arranged on the expansion table top; when one end of the locking assembly extends out of the expansion table surface, one end of the locking assembly abuts against the operating table, so that the operating table blocks the expansion table surface from moving relative to the operating table, and the expansion table surface is locked on the operating table. Not only the expansion table top can be reliably arranged in the operating table under the action of the inertia of the cart, but also the collision between the extended expansion table top and people or objects is avoided, and the safety of the expansion table top is improved. And when the expansion table top is in a use state, the expansion table top can be reliably arranged outside the operating table, and the external force acting on the expansion table top can be reliably transmitted to the operating table through applying force to the expansion table top, so that the cart is convenient to move.
Description
Technical Field
The invention relates to the technical field of high-end equipment manufacturing, in particular to an expansion table board locking structure and a trolley.
Background
A trolley, in particular a hospital medical trolley, comprises an operating table and one or more extension tables. When the cart is moved, if the expansion table top is stored in the operation table, the expansion table top is easy to extend out of the operation table due to the action of inertia, and the extended expansion table top is easy to collide with people or objects, so that certain potential safety hazards exist.
Disclosure of Invention
The invention mainly aims to provide an expansion table top locking structure and a trolley, and aims to solve the technical problems that an expansion table top of the trolley in the prior art is easy to extend out of an operation table and the trolley is inconvenient to move when the expansion table top is in a use state.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
an extended table locking structure, comprising:
an operation table;
the expansion table top is movably arranged in the operating table;
the locking assembly is arranged on the expansion table top; when one end of the locking assembly extends out of the expansion table surface, one end of the locking assembly abuts against the operating table, so that the operating table blocks the expansion table surface from moving relative to the operating table, and the expansion table surface is locked on the operating table.
Preferably, the operation table comprises a bottom plate and a blocking piece arranged on the bottom plate, the blocking piece is provided with a locking hole, and the expansion table top is movably arranged on the bottom plate; when one end of the locking assembly extends out of the expansion table top and abuts against the blocking piece or extends into the locking hole, the blocking piece blocks the expansion table top from moving relative to the operating table so as to lock the expansion table top on the operating table.
Preferably, the operation table comprises a bottom plate and a blocking piece arranged on the bottom plate, and the expansion table top is movably arranged on the bottom plate; when one end of the locking assembly extends out of the expansion table top and abuts against the blocking piece, the blocking piece blocks the expansion table top from moving relative to the operating table, so that the expansion table top is locked on the operating table.
Preferably, the console has a locking hole; when locking subassembly one end is stretched out the extension mesa and is stretched into when the locking is downthehole, the inner wall in locking hole blocks the extension mesa removes relatively the operation panel, with the extension mesa locking in the operation panel.
Preferably, the locking assembly comprises a propping element, a force application element and a connecting element for connecting the propping element and the force application element, and the propping element is movably arranged on the expansion table top; when the force application element drives the connecting element to move, the connecting element can drive the abutting element to extend into the expansion table board so as to unlock the expansion table board on the operating table.
Preferably, the expansion table top has a first sliding groove, and the abutting element is movably disposed in the first sliding groove.
Preferably, the abutting element comprises a first abutting piece and a second abutting piece which abut against each other, the second abutting piece is connected with the connecting element, the first sliding groove is provided with a first sub sliding groove and a second sub sliding groove which are communicated, the first abutting piece is movably arranged in the first sub sliding groove, and the second abutting piece is movably arranged in the second sub sliding groove; when the connecting element drives the second abutting piece to move along the second sub-sliding groove, the second abutting piece abuts and drives the first abutting piece to move along the first sub-sliding groove, so that the first abutting piece extends into the expansion table board.
Preferably, the first abutting piece and the second abutting piece are matched in an inclined plane.
Preferably, the locking assembly further comprises a first reset member, so that the abutting element extends out of the expansion table top.
Preferably, one end of the first reset piece is connected with the expansion table top, and the other end of the first reset piece is connected with the abutting element; when the connecting element drives the abutting element to extend into the expansion table surface, the abutting element extrudes the first resetting piece so as to compress the first resetting piece; when the abutting element has no external force, the abutting element is driven to extend out of the expansion table board under the restoring force of the first resetting piece.
Preferably, the connecting element includes the connecting wire and the spool of cover locating outside the connecting wire, support hold the component with the application of force component respectively with the connecting wire is connected, the spool is located the extension mesa.
Preferably, the expansion table top comprises a table top and a handle connected to the table top, and the force application element is arranged on the handle.
Preferably, the force application element comprises a button and a slider, the slider is connected with the connecting element, and the button can abut against the slider; when the button is pressed, the button can drive the sliding part to move, so that the sliding part drives the connecting element to move.
Preferably, the sliding part comprises a frame body and a sliding block movably arranged in the frame body, the frame body is arranged on the expansion table top, the sliding block is connected with the connecting element, and the button can abut against the sliding block; when the button is pressed, the button can drive the sliding block to move, so that the sliding block drives the connecting element to move.
Preferably, the frame body is provided with a second sliding groove and a through hole which are communicated, the sliding block is movably arranged in the second sliding groove, and the button can extend into the through hole and abut against the sliding block.
Preferably, the number of the connecting elements, the abutting elements and the sliding blocks is two, the connecting elements are respectively a first connecting element, a second connecting element, a first abutting element, a second abutting element, a first sliding block and a second sliding block, the first connecting element, the first abutting element and the first sliding block are respectively arranged on one side of the expansion table top, the second connecting element, the second abutting element and the second sliding block are respectively arranged on the other side of the expansion table top, the first connecting element is respectively connected with the first abutting element and the first sliding block, the second connecting element is respectively connected with the second abutting element and the second sliding block, the two sliding blocks are oppositely arranged in the second sliding groove, and the button can respectively abut against the two sliding blocks; when the button is pressed, the button can drive the two sliding blocks to move oppositely.
Preferably, the sliding part further comprises a ball, the ball is rollably arranged on the sliding block, and the button can abut against the ball; when the button is pressed, the button can drive the ball to roll, so that the ball drives the sliding block to move.
Preferably, the force application element further comprises a second reset member to cause the button to pop up.
Preferably, the second reset piece is arranged between the sliding piece and the button; when the button is pressed, the button presses the second resetting piece to compress the second resetting piece; when the button is released, the button is driven to bounce under the restoring force of the second resetting piece.
Preferably, the locking assembly includes a holding element and a driving element, the holding element is movably disposed on the expansion table top, and the driving element can drive the holding element to move, so that the holding element extends out of or into the expansion table top.
The other technical scheme provided by the invention is as follows:
a cart comprising the extended table locking structure.
Compared with the prior art, the invention has the following beneficial effects:
in this application, work as locking subassembly one end is stretched extension mesa, locking subassembly one end supports holds the operation panel, so that the operation panel blocks the relative operation panel of extension mesa removes, with extension mesa locking in the operation panel not only makes the extension mesa under the inertial effect of shallow, can locate the operation panel reliably in to avoid the extension mesa that stretches out to collide with people or thing, thereby improve the security of extension mesa. And when the expansion table top is in a use state, the expansion table top can be reliably arranged outside the operating table, and the external force acting on the expansion table top can be reliably transmitted to the operating table through applying force to the expansion table top, so that the cart is convenient to move.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of an unfolded extension table of an extension table locking structure according to one embodiment of the present invention;
FIG. 2 is a schematic view of an extended mesa locking structure according to one embodiment of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of an extended table top with the extended table top locking structure opened according to one embodiment of the present invention;
FIG. 5 is a cross-sectional view at B in FIG. 4;
FIG. 6 is an enlarged view at C in FIG. 5;
FIG. 7 is a rear view of an extended table according to one embodiment of the present invention;
FIG. 8 is a rear view of an extended countertop without a cover plate according to one embodiment of the invention;
FIG. 9 is an enlarged view at D of FIG. 8;
FIG. 10 is a perspective view of a retaining element according to one embodiment of the present invention;
FIG. 11 is a top view of a retaining element according to one embodiment of the present invention;
FIG. 12 is a cross-sectional view at F of FIG. 11;
FIG. 13 is an enlarged view at E in FIG. 8;
FIG. 14 is an exploded view of a force applying element according to one embodiment of the present invention;
FIG. 15 is a top view of a force applying element according to one embodiment of the present invention;
FIG. 16 is a cross-sectional view at G of FIG. 15;
fig. 17 is a schematic view of a cart according to an embodiment of the present invention.
100. Pushing a cart;
10. an extended table locking structure;
1. an operation table; 11. a base plate; 12. a blocking member; 121. a locking hole;
2. expanding the table top; 21. a table top; 22. a cover plate; 23. a handle; 24. a first chute; 241. a first sub-chute; 242. a second sub-chute; 25. a containing groove;
3. a locking assembly;
31. a holding element; 311. a first abutting member; 3111. a first inclined plane; 312. a second abutting member; 3121. a second inclined plane;
32. a force application element; 321. a button; 3211. a housing; 3212. a holding portion; 32121. a third inclined plane; 322. a slider; 3221. a frame body; 32211. a second chute; 32212. a through hole; 32213. a limiting hole; 32214. a first connection hole; 3222. a slider; 32221. a fourth slope; 32222. an avoidance groove; 3223. a ball bearing; 323. a first limit piece; 324. a second reset member; 325. a second limiting member;
33. a connecting element; 331. a connecting wire; 332. a conduit;
34. a first reset member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in FIG. 1, in one embodiment, an extended table top locking structure 10 is provided, the extended table top locking structure 10 comprising a console 1, an extended table top 2, and a locking assembly 3; the expansion table top 2 is movably arranged in the operation table 1; the locking assembly 3 is arranged on the expansion table top 2; when one end of the locking component 3 extends out of the expansion table top 2, one end of the locking component 3 abuts against the operation table 1, so that the operation table 1 blocks the expansion table top 2 from moving relative to the operation table 1, and the expansion table top 2 is locked on the operation table 1.
When the locking assembly 3 one end stretches out extension mesa 2, locking assembly 3 one end supports and holds operation panel 1 to make operation panel 1 block that extension mesa 2 removes relative operation panel 1, with extension mesa 2 locking in operation panel 1, not only make extension mesa 2 under the effect of shallow 100 inertia, can locate in operation panel 1 reliably, in order to avoid the extension mesa 2 that stretches out to collide with people or thing, thereby improve the security of extension mesa 2. When the expansion table top 2 is in a use state, the expansion table top 2 can be reliably arranged outside the operation table 1, and the external force acting on the expansion table top 2 can be reliably transmitted to the operation table 1 by applying force to the expansion table top 2, so that the cart can be conveniently moved.
As shown in fig. 2 to 6, in the present embodiment, the console 1 includes a bottom plate 11 and a blocking member 12 disposed on the bottom plate 11, the blocking member 12 has a locking hole 121, and the extension table 2 is movably disposed on the bottom plate 11; when one end of the locking assembly 3 extends out of the expansion table top 2 and abuts against the blocking member 12 or extends into the locking hole 121, the blocking member 12 blocks the expansion table top 2 from moving relative to the operation table 1, so as to lock the expansion table top 2 on the operation table 1. The blocking member 12 can reliably block the locking assembly 3, so that the locked extension table top 2 is not easy to extend out of the operation table 1, and the locking reliability of the extension table top 2 is improved. Specifically, the blocking member 12 is disposed along the moving direction of the extension table top 2, the locking hole 121 is disposed near the rear end of the blocking member 12, when the extension table top 2 completely extends into the operation table 1, the locking member 3 extends out of the extension table top 2, and at this time, the locking member 3 abuts against the front end of the blocking member 12 to lock the extension table top 2 in the operation table 1. When the extension table top 2 is completely extended out of the console, the locking assembly 3 is extended out of the extension table top 2, and at this time, the locking assembly 3 is extended into the locking hole 121 to lock the extension table top 2 out of the console 1. Between the front end of the blocking member 12 and the locking hole 121, the locking assembly 3 is difficult to extend out of the extension table top 2 because the side wall of the blocking member 12 blocks the locking assembly 3 from extending out, and the locking assembly 3 can only extend out of the extension table top 2 when the locking assembly 3 moves to the front end of the blocking member or the locking hole 121.
In an alternative embodiment, the operation table 1 comprises a bottom plate 11 and a blocking member 12 arranged on the bottom plate 11, and the extension table top 2 is movably arranged on the bottom plate 11; when one end of the locking component 3 extends out of the expansion table top 2 and abuts against the blocking piece 12, the blocking piece 12 blocks the expansion table top 2 from moving relative to the operation table 1, so that the expansion table top 2 is locked on the operation table 1. The blocking member 12 can reliably block the locking assembly 3, so that the locked extension table top 2 is not easy to extend out of the operation table 1, and the locking reliability of the extension table top 2 is improved.
In particular, the barrier 12 is a baffle.
In other embodiments, the console 1 has a lock hole 121; when locking subassembly 3 one end stretches out extension mesa 2 and stretches into in the locking hole 121, the inner wall in locking hole 121 blocks that extension mesa 2 removes relative operation panel 1 to with extension mesa 2 locking in operation panel 1. The locking assembly 3 can be reliably blocked by the locking hole 121, so that the locked expansion table top 2 is not easy to extend out of the operation table 1, and the locking reliability of the expansion table top 2 is improved.
As shown in fig. 7, the extension table top 2 includes a table top 21, a cover plate 22 covering the table top 21, and a handle 23 connected to the table top 21. The handle 23 facilitates the user to hold and apply force, thereby improving the convenience of the use of the expansion table top 2.
The force application element is arranged on the handle. Specifically, the force application element is arranged at the bottom of the middle part of the handle.
As shown in fig. 8, the locking assembly 3 includes a holding member 31, a force applying member 32, and a connecting member 33 connecting the holding member 31 and the force applying member 32, wherein the holding member 31 is movably disposed on the extended table top 2; when the force application element 32 drives the connection element 33 to move, the connection element 33 can drive the abutting element 31 to extend into the expansion table top 2, so as to unlock the expansion table top 2 from the operation table 1. By means of the force application element 32, the force application by the user is facilitated, so that the convenience of unlocking the extension table-board 2 is improved. Specifically, the holding member 31 is movably disposed between the table 21 and the cover 22, the connecting member 33 is partially disposed between the table 21 and the cover 22, and partially disposed on the handle 23, and the forcing member 32 is disposed on the handle 23.
As shown in fig. 9-12, the expanding table top 2 has a first sliding slot 24, and the abutting element 31 is movably disposed in the first sliding slot 24. Through the first sliding chute 24, the abutting element 31 can reliably move along the first sliding chute, so that the connecting element 33 can drive the abutting element 31 to reliably extend into the expansion table top 2, and the unlocking reliability of the expansion table top 2 is improved. Specifically, the table top 21 has a first chute 24.
The abutting element 31 comprises a first abutting piece 311 and a second abutting piece 312 which abut against each other, the second abutting piece 312 is connected with the connecting element 33, the first sliding groove 24 is provided with a first sub sliding groove 241 and a second sub sliding groove 242 which are communicated, the first abutting piece 311 is movably arranged in the first sub sliding groove 241, and the second abutting piece 312 is movably arranged in the second sub sliding groove 242; when the connecting element 33 drives the second abutting member 312 to move along the second sub-sliding slot 242, the second abutting member 312 abuts and drives the first abutting member 311 to move along the first sub-sliding slot 241, so that the first abutting member 311 extends into the extended table top 2. Through the second sub-sliding slot 242, the connecting element 33 can drive the second abutting piece 312 to reliably move along the second sub-sliding slot; through the first sub-sliding slot 241, the second abutting piece 312 can drive the first abutting piece 311 to reliably move along the first abutting piece, so that the first abutting piece 311 can reliably extend into the expansion table top 2, and the unlocking reliability of the expansion table top 2 is improved.
The first abutting member 311 and the second abutting member 312 are matched in an inclined plane. Through the inclined plane matching, the first abutting piece 311 and the second abutting piece 312 can be attached more tightly, so that the space occupation of the first abutting piece 311 and the second abutting piece 312 is reduced, and the space utilization rate of the expansion table top 2 is improved. Moreover, the contact distance between the first abutting piece 311 and the second abutting piece 312 can be increased, so that the distance that the second abutting piece 312 drives the first abutting piece 311 to move is increased, the second abutting piece 312 can reliably extend into the expansion table top 2, and the unlocking reliability of the expansion table top 2 is improved.
The first abutting part 311 has a first inclined surface 3111, the second abutting part 312 has a second inclined surface 3121, and the inclined directions and angles of the first inclined surface 3111 and the second inclined surface 3121 are the same.
The first sub-link 241 is disposed in a first direction, and the second sub-link 242 is disposed in a second direction. Specifically, the first sub chute 241 is disposed in a vertical direction, and the second sub chute 242 is disposed in a horizontal direction.
As shown in fig. 9, the locking assembly 3 further comprises a first return member 34 to extend the abutment member 31 beyond the extension table top 2. By means of the first reset element 34, the abutting element 31 can be extended out of the extension table top 2, so that the console 1 can reliably block the abutting element 31, thereby improving the reliability of locking the extension table top 2.
One end of the first reset piece 34 is connected with the expansion table top 2, and the other end is connected with the abutting element 31; when the connecting element 33 drives the abutting element 31 to extend out of the expansion table top 2, the abutting element 31 presses the first resetting piece 34, so that the first resetting piece 34 is compressed; when the abutting element 31 has no external force, the abutting element 31 is driven to extend out of the expansion table top 2 by the restoring force of the first restoring member 34.
Specifically, one end of the first reset piece 34 is connected to the extended table top 2, and the other end is connected to the first abutting piece 311; when the connecting element 33 drives the second abutting piece 312 to move, the second abutting piece 312 drives the first abutting piece 311 to extend into the expansion table top 2, so that the first abutting piece 311 extrudes the first resetting piece 34, and the first resetting piece 34 is compressed; when no external force acts on the connecting element 33, the first abutting part 311 is driven to extend out of the extended table top 2 by the restoring force of the first restoring part 34.
The first return member 34 is a torsion spring.
As shown in fig. 8, the connecting element 33 includes a connecting line 331 and a conduit 332 sleeved outside the connecting line 331, the abutting element 31 and the force applying element 32 are respectively connected to the connecting line 331, and the conduit 332 is disposed on the expansion table top 2. The connecting wire 331 in the connecting tube 332 can be protected through the connecting tube 332, so that the connecting wire 331 is not easy to damage, and the service life of the connecting wire 331 is ensured; and the connecting wire 331 can be prevented from being interfered by other objects, so that the connecting wire 331 can be reliably moved, thereby improving the reliability of the transmission of the connecting wire 331.
Specifically, the connecting wire 331 is a brake wire.
As shown in fig. 13-16, the force applying element 32 includes a button 321 and a slider 322, the slider 322 is connected with the connecting element 33, and the button 321 can be abutted against the slider 322; when the button 321 is pressed, the button 321 drives the sliding member 322 to move, so that the sliding member 322 drives the connecting element 33 to move. Through the cooperation of the button 321 and the sliding member 322, the pressing force acting on the button 321 can be reliably transmitted to the sliding member 322, so that the sliding member 322 can drive the abutting element 31 to reliably extend into the extension table top 2, thereby improving the reliability of unlocking the extension table top 2. Specifically, one end of the connecting element 33 away from the abutting element 31 is connected to the slider 322, the button 321 can abut against one end of the slider 322 away from the connecting element 33, and the button 321 and the slider 322 are respectively disposed on the handle 23.
As shown in fig. 16, the button 321 includes a housing 3211 and a holding portion 3212 disposed on the housing 3211, and the holding portion 3212 can hold the slider 3222.
As shown in fig. 14, the sliding member 322 includes a frame 3221 and a slider 3222 movably disposed in the frame 3221, the frame 3221 is disposed on the extended platform surface 2, the slider 3222 is connected to the connecting element 33, and the button 321 can support the slider 3222; when the button 321 is pressed, the button 321 can move the slider 3222, so that the slider 3222 moves the connecting element 33. The frame 3221 can make the slider 3222 reliably move along the frame, so that the slider 3222 can drive the abutting element 31 to reliably extend into the expansion table top 2, thereby improving the reliability of unlocking the expansion table top 2. Specifically, the frame 3221 is provided to the handle 23.
The frame 3221 has a second sliding groove 32211 and a through hole 32212 which are connected, the slider 3222 is movably disposed in the second sliding groove 32211, and the button 321 can extend into the through hole 32212 and abut against the slider 3222. The structure is skillfully designed, and the sliding block 3222 can reliably move along the second sliding groove 32211; the pressing force acting on the button 321 can be reliably transmitted to the slider 3222 through the through hole 32212, and both the two ways can ensure that the slider 3222 drives the abutting element 31 to reliably extend into the expansion table top 2, thereby improving the reliability of unlocking the expansion table top 2.
As shown in FIG. 16, the button 321 and slider 3222 are ramp-engaged. Through the inclined surface matching, the button 321 and the slider 3222 can be attached more tightly, so that the space occupation of the button 321 and the slider 3222 is reduced, and the space utilization rate of the force application element 32 is improved. And the contact distance between the button 321 and the slider 3222 can be increased to increase the distance that the button 321 drives the slider 3222 to move, so that the slider 3222 can drive the second abutting part 312 to reliably extend into the expansion table top 2, thereby improving the reliability of unlocking the expansion table top 2.
The button 321 has a third inclined surface 32121, the slider 3222 has a fourth inclined surface 32221, and the third inclined surface 32121 and the fourth inclined surface 32221 are inclined in the same direction and at the same angle. Specifically, the abutting portion 3212 has a third inclined surface 32121.
As shown in fig. 14, the sliding member 322 further includes a ball 3223, the ball 3223 is rollably disposed on the sliding block 3222, and the button 321 can hold the ball 3223; when the button 321 is pressed, the ball 3223 is driven by the button 321 to roll, so that the slider 3222 is driven by the ball 3223 to move. The rolling friction of the ball 3223 can reduce the sliding friction between the button 321 and the slider 3222, so that the button 321 and the slider 3222 are not easily worn, thereby improving the service life of the force application element 32. Specifically, the ball 3223 protrudes from the surface of the slider 3222.
As shown in fig. 13 to 14, the force applying element 32 further includes a first limiting member 323, and the first limiting member 323 is disposed on the extended table top 2 to limit the movement of the frame 3221. The first stopper 323 can prevent the frame 3221 from moving, so that the pressing force acting on the button 321 can be reliably transmitted to the slider 3222, and the slider 322 can drive the abutting element 31 to reliably extend into the expansion table top 2, thereby improving the unlocking reliability of the expansion table top 2. Specifically, the first position-limiting member 323 has a cylindrical structure.
The frame body 3221 is provided with a position-limiting hole 32213, and the first position-limiting member 323 penetrates through the position-limiting hole 32213 to limit the movement of the frame body 3221.
Specifically, the number of the first position-limiting members 323 and the position-limiting holes 32213 is multiple and corresponding to each other, the first position-limiting members 323 are respectively disposed at different positions of the expanding table top 2, and the first position-limiting members 323 are correspondingly disposed in the position-limiting holes 32213 to limit the movement of the frame 3221.
The number of the first limiting members 323 and the limiting holes 32213 is two, the two first limiting members 323 are respectively disposed at different positions of the expanding table top 2, and the two first limiting members 323 correspondingly penetrate through the two limiting holes 32213 one to one, so as to limit the movement of the frame 3221.
The slider 3222 is provided with an avoiding groove 32222 to avoid the first limiting member 323. With this arrangement, the frame 3221 does not need to reserve an avoidance region for the first stopper 323, thereby reducing the volume of the frame 3221.
The frame 3221 has a first connecting hole 32214, and the expansion table top 2 has a second connecting hole, and a fastener is inserted through the first connecting hole 32214 and the second connecting hole to fix the frame 3221 to the expansion table top 2. With this arrangement, the reliability of connection between the housing 3221 and the extended table top 2 can be improved, and the housing 3221 can be reliably fixed to the extended table top 2. Specifically, the handle 23 is opened with a second connecting hole.
The escape slot 32222 may also escape the fastener. The arrangement is such that frame 3221 does not need to reserve an escape area for the fastener, thereby reducing the volume of frame 3221.
As shown in fig. 13, the extended table 2 has a receiving slot 25, and the sliding member 322 is disposed in the receiving slot 25. Specifically, the frame 3221 is disposed in the accommodating groove 25, and the handle 23 has an accommodating groove 25.
As shown in fig. 14-16, the force applying element 32 further includes a second restoring member 324 to cause the push button 321 to spring. The second reset piece 324 enables the button 321 to bounce, so that the button 321 can drive the sliding piece 322 to reliably move, and the sliding piece 322 can drive the abutting element 31 to reliably extend into the extension table top 2, thereby improving the reliability of unlocking the extension table top 2.
The second reset piece 324 is arranged between the sliding piece 322 and the button 321; when the button 321 is pressed, the button 321 presses the second restoring member 324 to compress the second restoring member 324; when the button 321 is released, the button 321 is driven to bounce by the restoring force of the second restoring member 324.
The second reset member 324 is a tension spring.
The force applying element 32 further includes a second limiting member 325, the second limiting member 325 is disposed on the button 321, and the second limiting member 325 can limit the second resetting member 324 from moving. The second limiting member 325 can prevent the second resetting member 324 from moving, so that the second resetting member 324 can drive the button 321 to bounce reliably, thereby ensuring the reliability of unlocking the expansion table top 2. Specifically, the second stopper 325 is a column-shaped structure disposed on the button 321.
The second reset component 324 is sleeved on the second limiting component 325, and one end of the second reset component abuts against the button 321, and the other end abuts against the sliding component 322.
The number of the connecting elements 33, the abutting elements 31 and the sliding blocks 3222 is two, the connecting elements are respectively a first connecting element, a second connecting element, a first abutting element, a second abutting element, a first sliding block and a second sliding block, the first connecting element, the first abutting element and the first sliding block are respectively arranged on one side of the expansion table top 2, the second connecting element, the second abutting element and the second sliding block are respectively arranged on the other side of the expansion table top 2, the first connecting element is respectively connected with the first abutting element and the first sliding block, the second connecting element is respectively connected with the second abutting element and the second sliding block, the two sliding blocks 3222 are oppositely arranged in the second sliding groove 32211, and the button 321 can respectively abut against the two sliding blocks 3222; when the button 321 is pressed, the button 321 drives the two sliders 3222 to move towards each other. The two abutting elements 31 can extend out from the two sides of the expansion table top 2, so that the two sides of the operation table 1 can respectively block the corresponding abutting elements 31, and the locking reliability of the expansion table top 2 is improved.
The working principle is as follows:
when the extended table top 2 is in the locked state, the first abutting piece 311 extends out of the extended table top 2 and abuts against the front end of the blocking piece 12, and the front end of the blocking piece 12 blocks the first abutting piece 311 to prevent the extended table top 2 from extending out. When the expansion table top 2 needs to be unlocked, the button 321 is pressed to enable the button 321 to extrude and drive the ball 3223 to roll, the extruded ball 3223 drives the slider 3222 to move, the slider 3222 drives the connecting line 331 to move, the connecting line 331 drives the second abutting part 312 to move downward along the second sub-sliding groove 242, the second abutting part 312 drives the first abutting part 311 to move inward along the first sub-sliding groove 241, so that the first abutting part 311 extends into the expansion table top 2, the front end of the first abutting part 311 is separated from the front end of the blocking part 12, and the expansion table top 2 can move relative to the console. When the button 321 is released, under the restoring force of the first restoring member 34, the first restoring member 34 drives the first abutting member 311 to move outwards along the first sub-sliding groove 241, at this time, the first abutting member 311 is difficult to extend out of the expansion table top 2, because the side wall of the blocking member 12 blocks the first abutting member 311 from extending out, only when the first abutting member 311 moves to the front end of the blocking member 12 and the locking hole 121, the first abutting member 311 can extend out of the expansion table top 2. When the first abutting member 311 moves to the locking hole 121 at the rear end of the blocking member 12, the first resetting member 34 drives the first abutting member 311 to extend out of the expansion table top 2 and into the locking hole 121, so that the inner wall of the locking hole 121 blocks the first abutting member 311, and at this time, the first abutting member 311 drives the second abutting member 312 to move upwards along the second sub-sliding groove 242, so that the second abutting member 312 drives the connecting line 331 to move, and the connecting line 331 drives the slider 3222 to reset.
In an alternative embodiment, the locking assembly 3 includes an abutting element 31 and a driving member, the abutting element 31 is movably disposed on the expansion table top 2, and the driving member can drive the abutting element 31 to move, so that the abutting element 31 extends out of or into the expansion table top 2.
The driving piece is a hydraulic cylinder, an air cylinder, a linear motor or a screw rod mechanism.
As shown in fig. 17, in one embodiment, a cart 100 is provided, the cart 100 including the extended table locking structure 10 of any of the embodiments described above.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (21)
1. An extended table locking structure, comprising:
an operation table;
the expansion table top is movably arranged in the operating table;
the locking assembly is arranged on the expansion table top; when one end of the locking assembly extends out of the expansion table surface, one end of the locking assembly abuts against the operating table, so that the operating table blocks the expansion table surface from moving relative to the operating table, and the expansion table surface is locked on the operating table.
2. The locking structure of claim 1, wherein the console comprises a base plate and a blocking member disposed on the base plate, the blocking member having a locking hole, the console being movably disposed on the base plate; when one end of the locking assembly extends out of the expansion table top and abuts against the blocking piece or extends into the locking hole, the blocking piece blocks the expansion table top from moving relative to the operating table so as to lock the expansion table top on the operating table.
3. The locking structure of claim 1, wherein the console comprises a base plate and a stop member disposed on the base plate, and the console is movably disposed on the base plate; when one end of the locking assembly extends out of the expansion table top and abuts against the blocking piece, the blocking piece blocks the expansion table top from moving relative to the operating table, so that the expansion table top is locked on the operating table.
4. The extended table locking structure of claim 1, wherein the console has a locking hole; when locking subassembly one end is stretched out the extension mesa and is stretched into when the locking is downthehole, the inner wall in locking hole blocks the extension mesa removes relatively the operation panel, with the extension mesa locking in the operation panel.
5. The locking structure of claim 1, wherein the locking assembly comprises an abutting element, a force applying element and a connecting element for connecting the abutting element and the force applying element, and the abutting element is movably disposed on the extension table; when the force application element drives the connecting element to move, the connecting element can drive the abutting element to extend into the expansion table board so as to unlock the expansion table board on the operating table.
6. The locking structure of claim 5, wherein the extension table has a first sliding slot, and the abutting member is movably disposed in the first sliding slot.
7. The extended table top locking structure of claim 6, wherein the abutting element comprises a first abutting piece and a second abutting piece which abut against each other, the second abutting piece is connected with the connecting element, the first sliding groove is provided with a first sub sliding groove and a second sub sliding groove which are communicated with each other, the first abutting piece is movably arranged in the first sub sliding groove, and the second abutting piece is movably arranged in the second sub sliding groove; when the connecting element drives the second abutting piece to move along the second sub-sliding groove, the second abutting piece abuts and drives the first abutting piece to move along the first sub-sliding groove, so that the first abutting piece extends into the expansion table board.
8. The extended table top locking structure of claim 7, wherein the first retaining member and the second retaining member are mated together at an inclined surface.
9. The extended table locking arrangement of claim 5, wherein the locking assembly further comprises a first reset member to extend the retaining member beyond the extended table.
10. The extended table locking structure of claim 9, wherein one end of the first reset member is connected to the extended table, and the other end is connected to the abutting member; when the connecting element drives the abutting element to extend into the expansion table surface, the abutting element extrudes the first resetting piece so as to compress the first resetting piece; when the abutting element has no external force, the abutting element is driven to extend out of the expansion table board under the restoring force of the first resetting piece.
11. The locking structure of an extension table top of claim 5, wherein the connecting element comprises a connecting wire and a conduit sleeved outside the connecting wire, the abutting element and the force applying element are respectively connected to the connecting wire, and the conduit is disposed on the extension table top.
12. The extended table locking arrangement of claim 5 wherein the extended table includes a table and a handle connected to the table, the force applying member being provided on the handle.
13. The extended table locking structure of claim 5 wherein the force applying element comprises a button and a slider, the slider being connected to the connecting element, the button being engageable against the slider; when the button is pressed, the button can drive the sliding part to move, so that the sliding part drives the connecting element to move.
14. The locking structure of claim 13, wherein the sliding member comprises a frame and a sliding block movably disposed in the frame, the frame is disposed on the extended table, the sliding block is connected to the connecting element, and the button can abut against the sliding block; when the button is pressed, the button can drive the sliding block to move, so that the sliding block drives the connecting element to move.
15. The extended table locking structure of claim 14, wherein the frame has a second sliding groove and a through hole, the sliding block is movably disposed in the second sliding groove, and the button can extend into the through hole and abut against the sliding block.
16. The extended table locking structure of claim 15, wherein the number of the connecting elements, the abutting elements and the sliding blocks is two, and the two connecting elements are a first connecting element, a second connecting element, a first abutting element, a second abutting element, a first sliding block and a second sliding block, the first connecting element, the first abutting element and the first sliding block are respectively arranged on one side of the expansion table-board, the second connecting element, the second abutting element and the second sliding block are respectively arranged on the other side of the expansion table top, the first connecting element is respectively connected with the first abutting element and the first sliding block, the second connecting element is respectively connected with the second abutting element and the second sliding block, the two sliding blocks are oppositely arranged in the second sliding groove, and the button can respectively abut against the two sliding blocks; when the button is pressed, the button can drive the two sliding blocks to move oppositely.
17. The extended table locking structure of claim 14 wherein the slider further comprises a ball, the ball is rollably disposed on the slider, and the button is capable of abutting against the ball; when the button is pressed, the button can drive the ball to roll, so that the ball drives the sliding block to move.
18. The extended table locking arrangement of claim 13, wherein the force application element further comprises a second reset to cause the button to pop up.
19. The extended table locking arrangement of claim 18, wherein the second reset member is disposed between the slider and the button; when the button is pressed, the button presses the second resetting piece to compress the second resetting piece; when the button is released, the button is driven to bounce under the restoring force of the second resetting piece.
20. The extended table top locking structure of claim 1, wherein the locking assembly comprises a holding member and a driving member, the holding member is movably disposed on the extended table top, and the driving member drives the holding member to move, so that the holding member extends out of or into the extended table top.
21. A cart comprising an extended table locking structure of any of claims 1-20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210094415.4A CN114407997B (en) | 2022-01-26 | 2022-01-26 | Expanding table top locking structure and trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210094415.4A CN114407997B (en) | 2022-01-26 | 2022-01-26 | Expanding table top locking structure and trolley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114407997A true CN114407997A (en) | 2022-04-29 |
| CN114407997B CN114407997B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210094415.4A Active CN114407997B (en) | 2022-01-26 | 2022-01-26 | Expanding table top locking structure and trolley |
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| Country | Link |
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| CN (1) | CN114407997B (en) |
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| CN210447481U (en) * | 2019-06-12 | 2020-05-05 | 深圳市联新移动医疗科技有限公司 | Suspension type drawer structure of medical cart and medical cart |
| CN111645747A (en) * | 2020-07-10 | 2020-09-11 | 泉州卓烨脚轮制造有限公司 | Folding handle of handcart |
| CN213552343U (en) * | 2020-06-30 | 2021-06-29 | 中国科学院大学宁波华美医院 | Intelligent mobile esd instrument cabinet |
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|---|---|---|---|---|
| JP3180150U (en) * | 2012-09-24 | 2012-12-06 | 陳首卯 | Rod brake caster lock structure |
| KR101899755B1 (en) * | 2018-03-21 | 2018-09-17 | 여신동 | Cart By Which Wheel Locking and Unlocking Is Facilitated |
| CN109398193A (en) * | 2018-09-29 | 2019-03-01 | 重庆延锋安道拓汽车部件系统有限公司 | Headrest lockable mechanism and automotive seat |
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| Publication number | Publication date |
|---|---|
| CN114407997B (en) | 2023-08-15 |
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