CN112113119B

CN112113119B - Fixing support

Info

Publication number: CN112113119B
Application number: CN202010972584.4A
Authority: CN
Inventors: 董力杰; 张国柱; 徐奇
Original assignee: Shenzhen Comen Medical Instruments Co Ltd
Current assignee: Shenzhen Comen Medical Instruments Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2022-05-27
Anticipated expiration: 2040-09-16
Also published as: CN112113119A

Abstract

The application discloses fixed bolster, including first holder, lead screw, rotation seat, second holder and two at least nut lamella. Because the nut clack can be close to and keep away from the motion of lead screw, when needs quick clamping or dismantlement treat the fixture, the user can remove the nut clack to the position of keeping away from the lead screw, removes first holder again, makes first holder be close to or keep away from the motion of second holder, realizes treating the quick clamping or the dismantlement of fixture for the user can convenient and fast ground clamping and dismantlement treat the fixture on the fixed bolster. When the object to be fixed needs to be clamped or disassembled at a normal speed, a user moves the nut clack to a position in contact with the screw rod, the nut clack is screwed with the screw rod, the rotating seat rotates relative to the screw rod to drive the nut clack to rotate, the screw rod is driven to move along the extending direction of the screw rod through the nut clack, and then the first clamping piece is driven to move close to or far away from the second clamping piece, so that the object to be fixed is clamped or disassembled.

Description

Fixing support

Technical Field

The invention relates to the technical field of supports, in particular to a fixing support.

Background

The fixing bracket can be applied to clamping and fixing instruments, instrument accessories and other objects. Some fixed supports require a user to position a to-be-fixed object firstly, then push a clamping piece of the fixed support to move in a thread propelling mode, and clamp and fix the to-be-fixed object through the clamping piece. However, when a user twists the clamping piece pushed by the screw thread, the pushing speed of the clamping piece is slow, and the operation is time-consuming and labor-consuming, so that the fixing support is difficult to be applied to instruments and instrument accessories which need to be frequently disassembled, cleaned or carried.

Disclosure of Invention

The invention mainly solves the technical problems that: the propelling speed of the clamping piece of the fixed support is low, so that the clamping and the dismounting of the object to be fixed on the fixed support are not convenient and fast enough.

According to a first aspect, there is provided in an embodiment a method comprising:

the first clamping piece is used for contacting with a to-be-fixed object;

one end of the screw rod is connected with the first clamping piece;

the rotating seat is movably sleeved on the screw rod;

the second clamping piece is rotatably connected with the rotating seat;

the nut petals are connected with the rotating seat, the nut petals are arranged around the screw rod, the nut petals can move close to and away from the screw rod to realize the contact and the release of the contact between the nut petals and the screw rod, and threads are arranged on one side of the nut petals, which is in contact with the screw rod;

when the nut clack is in contact with the screw rod, the nut clack is screwed with the screw rod, the rotating seat drives the nut clack to rotate when rotating relative to the screw rod, and the nut clack drives the screw rod to move along the extending direction of the screw rod so as to drive the first clamping piece to move close to and far away from the second clamping piece; under the state that the nut clacks are not in contact with the screw rod, the screw rod can move close to and far away from the rotating seat so as to drive the first clamping piece to move close to and far away from the second clamping piece.

In one embodiment, the screw driver further comprises a toggle piece, the toggle piece is rotatably connected with the rotating seat, the toggle piece is provided with a first sliding groove, the nut flap is slidably connected with the first sliding groove, the inner wall of the first sliding groove is provided with a guide surface, and when the toggle piece rotates towards a first direction relative to the rotating seat, the guide surface pushes the nut flap to move towards a direction close to the screw rod so as to realize the screwing of the nut flap and the screw rod; when the shifting button piece rotates towards the second direction relative to the rotating seat, the guide surface pushes the nut clack to move towards the direction far away from the screw rod so as to realize the thread loosening of the nut clack and the screw rod.

In one embodiment, the screw driver further comprises an elastic member, one end of the elastic member is connected with the toggle button member, the other end of the elastic member is connected with the rotating seat, and the elastic restoring force of the elastic member is used for driving the toggle button member to rotate towards the first direction so as to realize the screwing of the nut flap and the screw rod.

In one embodiment, the rotating seat comprises a first shell and a second shell, the first shell is connected with the second shell, and the first shell and the second shell enclose to form an accommodating cavity; the screw rod extends into the accommodating cavity from the first opening, the shifting button piece, the nut clack and the elastic piece are arranged in the accommodating cavity, and the axial leads of the first shell, the second shell, the screw rod and the shifting button piece are overlapped.

In one embodiment, a second opening is formed in one side of the first shell and/or the second shell, the toggle piece is provided with a raised toggle block, and the toggle block extends out of the accommodating cavity from the second opening.

In one embodiment, the inner wall of the first shell is provided with a second sliding groove, the extending direction of the second sliding groove is perpendicular to the central line of the screw rod, and the nut flap is connected with the second sliding groove in a sliding mode.

In one embodiment, the inner wall of the accommodating cavity is provided with a sleeve, and the sleeve is movably sleeved with the screw rod.

In one embodiment, the rotating seat is provided with a boss, the boss is in contact with one side of the second clamping piece, a clamp spring is arranged on the rotating seat, and the clamp spring is in contact with the other side of the second clamping piece so as to limit the second clamping piece from moving along the axial direction of the screw rod relative to the rotating seat.

In one embodiment, the first clamping member and the second clamping member are slidably connected in a direction parallel to a center line of the screw rod.

In one embodiment, the surface of the rotating seat has a slip-resistant structure.

According to the fixing support of the embodiment, the nut flap can move close to and away from the screw rod, when a fixed object needs to be quickly clamped or disassembled, a user can move the nut flap to a position away from the screw rod, then the first clamping piece is moved, the first clamping piece is made to move close to or away from the second clamping piece, quick clamping or disassembling of the fixed object is achieved, and the user can clamp and disassemble the fixed object on the fixing support conveniently and quickly. When the object to be fixed needs to be clamped or disassembled at a normal speed, a user moves the nut clack to a position in contact with the screw rod, the nut clack is screwed with the screw rod, the rotating seat rotates relative to the screw rod to drive the nut clack to rotate, the screw rod is driven to move along the extending direction of the screw rod through the nut clack, and then the first clamping piece is driven to move close to or far away from the second clamping piece, so that the object to be fixed is clamped or disassembled.

Drawings

FIG. 1 is a schematic view of a fixing bracket according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of a mounting bracket according to an embodiment of the present application;

FIG. 3 is a schematic view of a fixing bracket according to an embodiment of the present application;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 of the present application;

FIG. 5 is a schematic structural view of a toggle member and a resilient member according to an embodiment of the present application;

FIG. 6 is a schematic view of a fixing bracket according to an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a first housing according to an embodiment of the present disclosure;

reference numerals: 100. a first clamping member; 110. a first connection portion; 120. a first groove; 200. a screw rod; 300. a rotating seat; 310. a first housing; 311. a first opening; 312. a second chute; 313. a second opening; 320. a second housing; 400. a second clamping member; 410. a second connecting portion; 420. a second groove; 500. a nut flap; 600. a toggle piece; 610. a first chute; 620. an installation opening; 630. shifting blocks; 700. an elastic member; 800. a sleeve.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

The present embodiment provides a fixing bracket.

Referring to fig. 1 and 2, the fixing bracket includes a first clamping member 100, a screw rod 200, a rotating base 300, a second clamping member 400, and at least two nut halves 500.

Referring to fig. 1-4, the first clamping member 100 is used for contacting a to-be-fixed object, one end of the screw rod 200 is connected to the first clamping member 100, the rotating base 300 is movably sleeved on the screw rod 200, and the second clamping member 400 is rotatably connected to the rotating base 300. The nut segments 500 are coupled to the rotary base 300, the nut segments 500 are disposed around the lead screw 200, the nut segments 500 can move toward and away from the lead screw 200 to achieve contact and release of the nut segments 500 with the lead screw 200, and a side of the nut segments 500 for contact with the lead screw 200 is provided with a thread. Under the state that the nut clack 500 is in contact with the screw rod 200, the nut clack 500 is screwed with the screw rod 200, when the rotating base 300 rotates relative to the screw rod 200, the nut clack 500 is driven to rotate, the screw rod 200 is driven by the nut clack 500 to move along the extending direction of the screw rod, and therefore the first clamping piece 100 is driven to move close to and far away from the second clamping piece 400. In a state where the nut segments 500 are out of contact with the lead screw 200, the lead screw 200 can move closer to and away from the rotary base 300 to drive the first clamping member 100 to move closer to and away from the second clamping member 400.

Referring to fig. 1-4, since the nut petals 500 can move close to and away from the lead screw 200, when a workpiece needs to be quickly clamped or disassembled, a user can move the nut petals 500 to a position away from the lead screw 200, and then move the first clamping member 100 to move the first clamping member 100 close to or away from the second clamping member 400, so as to realize quick clamping or disassembling of the workpiece, and thus the user can conveniently and quickly clamp and disassemble the workpiece on the fixing bracket. When the object to be fixed needs to be clamped or disassembled at a normal speed, a user moves the nut petals 500 to a position where the nut petals 500 are in contact with the lead screw 200, the nut petals 500 are screwed with the lead screw 200, the rotating seat 300 rotates relative to the lead screw 200 to drive the nut petals 500 to rotate, the lead screw 200 is driven by the nut petals 500 to move along the extending direction of the lead screw, and then the first clamping piece 100 is driven to move close to or far away from the second clamping piece 400, so that the object to be fixed is clamped or disassembled. Specifically, the first clamping member 100 is fixed to the upper end of the screw rod 200 by a screw. In some specific application environments, the "object to be fixed" may be a bed frame, a mounting rod, etc., and the first clamping member 100 and the second clamping member 400 clamp the bed frame or the mounting rod from both sides of the bed frame or the mounting rod, and the fixing bracket is further connected with equipment, instruments, etc. through a connecting structure, so as to fix the equipment and the instruments on the bed frame or the mounting rod. In other applications, the "object to be held" may also be a device, device accessory, or other object to be held.

Referring to fig. 2, 4 and 5, in an embodiment, the fixing bracket further includes a toggle member 600, the toggle member 600 is rotatably connected to the rotating base 300, the toggle member 600 has a first sliding slot 610, the nut lobe 500 is slidably connected to the first sliding slot 610, an inner wall of the first sliding slot 610 has a guiding surface, and when the toggle member 600 rotates in a first direction relative to the rotating base 300, the guiding surface pushes the nut lobe 500 to move in a direction close to the screw rod 200, so as to achieve screwing of the nut lobe 500 and the screw rod 200; when the toggle member 600 rotates in the second direction relative to the rotary base 300, the guide surface pushes the nut segment 500 to move in a direction away from the screw rod 200, so as to realize the unscrewing of the nut segment 500 from the screw rod 200.

Referring to fig. 2, 4 and 5, when the nut half 500 is required to be screwed with the lead screw 200, the user rotates the toggle member 600 in a first direction relative to the rotating base 300, and drives the nut half 500 to move close to the lead screw 200 through the toggle member 600, and the nut half 500 is in contact with the lead screw 200. When the nut segment 500 needs to be screwed in contact with the lead screw 200, the user rotates the toggle piece 600 in the second direction relative to the rotating base 300, and the toggle piece 600 drives the nut segment 500 to rotate in a direction away from the lead screw 200, so that the nut segment 500 is unscrewed from the lead screw 200.

Specifically, the "first direction" is opposite to the direction of rotation of the "second direction", and when the "first direction" is a clockwise direction, the "second direction" is a counterclockwise direction. When the "first direction" is a counterclockwise direction, the "second direction" is a clockwise direction.

In other embodiments, other linkage structures may be used instead of the toggle member 600, as long as the linkage structure can drive the nut segment 500 to move close to and away from the lead screw 200 simultaneously. For example, when there are two nut halves 500, the linkage structure can be a scissor structure, and the user can move the two nut halves 500 closer to and away from the lead screw 200 at the same time by using the scissor structure.

In another embodiment, the toggle member 600 may not be provided. For example, the nut half 500 is exposed outside the rotary base 300, and the user can directly move the nut half 500 toward or away from the lead screw 200.

Referring to fig. 2, 4 and 5, in one embodiment, two nut halves 500 are disposed around the lead screw 200, the two nut halves 500 being disposed opposite to each other, and the two nut halves 500 can be close to and far from the lead screw 200 in a radial direction of the lead screw 200. Two first sliding grooves 610 are formed in the toggle piece 600, each first sliding groove 610 corresponds to one nut clack 500, and the nut clack 500 is in sliding connection with the corresponding first sliding groove 610. In other embodiments, three or more nut petals 500 can be provided, and the first sliding grooves 610 are provided on the toggle element 600 in the same number as the nut petals 500.

Referring to fig. 2, 4 and 5, in an embodiment, the fixing bracket further includes an elastic member 700, one end of the elastic member 700 is connected to the toggle member 600, and the other end is connected to the rotary base 300, and an elastic restoring force of the elastic member 700 is used for driving the toggle member 600 to rotate in a first direction, so as to realize the screwing of the nut lobe 500 and the lead screw 200.

After the user finishes the quick installation and removal of the object to be fixed on the fixing bracket, the toggle button 600 is released, and the toggle button 600 can rotate to the first direction under the elastic restoring force of the elastic member 700, so that the nut lobe 500 is screwed with the lead screw 200 again. Specifically, the elastic member 700 may be a spring and/or a torsion spring, etc.

Referring to fig. 4 and 5, in one embodiment, the elastic member 700 is a spring, the button 600 has a mounting opening 620, the spring is disposed in the mounting opening 620, one end of the spring is connected to the button 600, and the other end of the spring is connected to the rotary base 300.

Referring to fig. 1-4, in an embodiment, the rotating base 300 includes a first housing 310 and a second housing 320, the first housing 310 is connected to the second housing 320, and the first housing 310 and the second housing 320 enclose to form an accommodating cavity. The first shell 310 is provided with a first opening 311, the screw rod 200 extends into the accommodating cavity from the first opening 311, the button shifting element 600, the nut clack 500 and the elastic element 700 are arranged in the accommodating cavity, and the axial leads of the first shell 310, the second shell 320, the screw rod 200 and the button shifting element 600 are overlapped. The toggle piece 600, the nut clack 500, the elastic piece 700 and other parts are arranged in the accommodating cavity, so that the integrity of the fixing support is promoted. Specifically, the first housing 310 and the second housing 320 may be fixedly connected by screws.

Referring to fig. 3-5 and 7, in an embodiment, a second opening 313 is formed on one side of the first housing 310 and/or the second housing 320, the toggle member 600 has a protruding toggle block 630, and the toggle block 630 extends from the second opening 313 to the outside of the accommodating cavity.

The user can push the toggle member 600 to rotate relative to the rotary base 300 through the toggle block 630. When the user rotates the seat 300, rotate the seat 300 and can drive group button 600 and rotate jointly, when needs drive nut lamella 500 and keep away from lead screw 200 and rotate, the user promotes shifting block 630 and rotates to the second direction relatively to rotating seat 300 for group button 600 rotates to the second direction relatively to rotating seat 300, drives nut lamella 500 and keeps away from the motion of lead screw 200. When the nut segment 500 needs to be screwed with the lead screw 200, the user releases the dial block 630, and the dial piece 600 rotates in the first direction relative to the rotating base 300 under the elastic restoring force of the elastic piece 700, so as to drive the nut segment 500 to move close to the lead screw 200 and to be screwed with the lead screw 200.

Referring to fig. 3, 4 and 7, in an embodiment, the inner wall of the first housing 310 is provided with a second sliding slot 312, the extending direction of the second sliding slot 312 is perpendicular to the central line of the screw rod 200, and the nut runner 500 is slidably connected with the second sliding slot 312.

Referring to fig. 3 and 4, in an embodiment, a sleeve 800 is disposed on an inner wall of the accommodating cavity, and the sleeve 800 is movably sleeved with the screw rod 200. The sleeve 800 guides the movement of the wire rod 200 in the direction of its extension.

Referring to fig. 1-4, in an embodiment, the rotating base 300 has a boss contacting with one side of the second clamping member 400, and the rotating base 300 is provided with a snap spring contacting with the other side of the second clamping member 400 to limit the second clamping member 400 from moving relative to the rotating base 300 along the axial direction of the screw rod 200. The boss and the snap spring limit the movement of the second clamping member 400 relative to the rotary base 300 in the axial direction of the screw rod 200. In other embodiments, other limiting members may be used to replace the boss and the snap spring.

Referring to fig. 1, 2 and 6, in one embodiment, the first clamping member 100 and the second clamping member 400 are slidably connected in a direction parallel to the center line of the screw rod 200.

Referring to fig. 1, 2 and 6, in a more specific embodiment, the first clamping member 100 has a first connecting portion 110 and a first groove 120, the second clamping member 400 has a second connecting portion 410 and a second groove 420, the first connecting portion 110, the first groove 120, the second connecting portion 410 and the second groove 420 all extend in a direction parallel to the screw rod 200, the first connecting portion 110 is slidably connected with the second groove 420, and the second connecting portion 410 is slidably connected with the first groove 120.

The sliding connection between the first clamping member 100 and the second clamping member 400 is realized through the first connecting part 110, the first groove 120, the second connecting part 410 and the second groove 420, and the relative rotation between the first clamping member 100 and the second clamping member 400 is also limited. In other embodiments, the sliding connection between the first clamping member 100 and the second clamping member 400 can be realized by a sliding rail or other sliding member.

It should be noted that the fixing bracket of the present embodiment can be used to be installed on a device (not to be fixed), and the first clamping member 100, the second clamping member 400 and the lead screw 200 are limited to be unable to rotate together with the rotating base 300 by the connection structure between the fixing bracket and the device, and when it is required to drive the lead screw 200 through the nut clack 500, a user only needs to screw the rotating base 300 to rotate the rotating base 300 relative to the lead screw 200. Of course, the fixing bracket of the present embodiment can also be used alone, for example, a user can hold the first clamping member 100 and/or the second clamping member 400 with one hand and screw the rotating base 300 with the other hand, so that the rotating base 300 can also rotate relative to the screw rod 200.

Referring to fig. 1, 2 and 6, in one embodiment, the surface of the rotary base 300 has a slip-proof structure. Specifically, the second housing 320 is in a knob shape, and the outer wall of the second housing 320 is provided with an uneven anti-slip structure. In other embodiments, the rotatable base 300 may be provided with a layer of anti-slip material or other anti-slip structure.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.

Claims

1. A fixing bracket, comprising:

the first clamping piece is used for contacting with a to-be-fixed object;

one end of the screw rod is connected with the first clamping piece;

the rotating seat is movably sleeved on the screw rod;

the second clamping piece is rotatably connected with the rotating seat;

when the nut clack is in contact with the screw rod, the nut clack is screwed with the screw rod, the rotating seat drives the nut clack to rotate when rotating relative to the screw rod, and the nut clack drives the screw rod to move along the extending direction of the screw rod so as to drive the first clamping piece to move close to and far away from the second clamping piece; under the condition that the nut clacks are not in contact with the screw rod, the screw rod can move close to and away from the rotating seat so as to drive the first clamping piece to move close to and away from the second clamping piece;

the nut valve is connected with the rotating seat in a rotating mode, the nut valve is connected with the first sliding groove in a sliding mode, the inner wall of the first sliding groove is provided with a guide surface, and when the knob is rotated towards a first direction relative to the rotating seat, the guide surface pushes the nut valve to move towards a direction close to the screw rod so as to achieve screwing of the nut valve and the screw rod; when the shifting button piece rotates towards the second direction relative to the rotating seat, the guide surface pushes the nut clack to move towards the direction far away from the screw rod so as to realize the thread loosening of the nut clack and the screw rod.

2. The fixing bracket as claimed in claim 1, further comprising an elastic member, one end of which is connected to the knob member and the other end of which is connected to the rotary seat, wherein an elastic restoring force of the elastic member is used to drive the knob member to rotate in the first direction to screw the nut lobe with the screw rod.

3. The fixed bracket of claim 2, wherein the rotating seat comprises a first shell and a second shell, the first shell is connected with the second shell, and the first shell and the second shell enclose to form a containing cavity; the screw rod extends into the accommodating cavity from the first opening, the shifting button piece, the nut clack and the elastic piece are arranged in the accommodating cavity, and the axial leads of the first shell, the second shell, the screw rod and the shifting button piece are overlapped.

4. The fixed bracket of claim 3, wherein one side of the first shell and/or the second shell is provided with a second opening, the toggle piece is provided with a raised toggle block, and the toggle block extends out of the accommodating cavity from the second opening.

5. The fixing bracket according to claim 3, wherein the inner wall of the first housing is provided with a second sliding slot, the second sliding slot extends in a direction perpendicular to the central line of the screw rod, and the nut flap is slidably connected with the second sliding slot.

6. The fixing bracket of claim 3, wherein the inner wall of the accommodating cavity is provided with a sleeve, and the sleeve is movably sleeved with the screw rod.

7. The fixed bracket of any one of claims 1-6, wherein the rotating seat has a boss, the boss contacts with one side of the second clamping member, the rotating seat is provided with a clamp spring, and the clamp spring contacts with the other side of the second clamping member to limit the second clamping member from moving relative to the rotating seat in the axial direction of the screw rod.

8. The mounting bracket of any one of claims 1-6, wherein the first clamping member and the second clamping member are slidably coupled in a direction parallel to a centerline of the lead screw.

9. The fixing bracket according to any one of claims 1 to 6, wherein the surface of the rotating seat has a slip-resistant structure.