CN219912887U - Rod body clamping device - Google Patents
Rod body clamping device Download PDFInfo
- Publication number
- CN219912887U CN219912887U CN202321089351.5U CN202321089351U CN219912887U CN 219912887 U CN219912887 U CN 219912887U CN 202321089351 U CN202321089351 U CN 202321089351U CN 219912887 U CN219912887 U CN 219912887U
- Authority
- CN
- China
- Prior art keywords
- clamping
- rod
- hinge
- connecting rod
- handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 210000005069 ears Anatomy 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Abstract
The utility model relates to a rod body clamping device, which comprises a clamping body. The clamping body comprises a first clamping body and a second clamping body which are mutually hinged through a first hinge shaft; a second hinge part is arranged at the position of the first clamp body deviating from the first hinge shaft; a third hinging part is arranged at the position of the second clamp body deviating from the first hinging shaft; a locking mechanism is connected between the second hinge part and the third hinge part; the locking mechanism comprises a handle and a connecting rod, one end of the connecting rod is hinged to a fourth hinging part in the middle of the handle, and the other end of the connecting rod and one end of the handle are respectively hinged to the third hinging part and the second hinging part. The rod body clamping device disclosed by the utility model can be used for rapidly clamping the rod body, is simple in structure, can adapt to rod bodies with different diameters, and is high in working efficiency and safety coefficient.
Description
Technical Field
The utility model relates to the technical field of stage lamp accessories, in particular to a rod body clamping device.
Background
The stage lamps are used for rendering the lamplight environment in places such as television studio, theatre, studio, bar and mobile exhibition place. Because the stage lamp needs to be frequently adjusted according to the performance content, the stage lamp is generally installed and fixed in a detachable mode, and the lamp is hung on a suspender or a truss through a hook.
The prior stage lamp is generally installed by connecting a hook body with the lamp through a connecting device and then hanging the hook body on a suspender or a truss, and the lamp is generally installed in a hanging installation mode and a side hanging installation mode. For both installation modes, the lamp is installed through the installation hooks, and the installation hooks are clamping installation structures surrounded by the hook bodies, the clamping plates and the connecting bolts. Firstly, the rod body is inserted into the accommodating groove of the hook body, and then the nut is rotated to shrink the clamping plate to clamp the rod body. The locking mode of this kind of mounting structure is all loaded down with trivial details, and locking structure is complicated, in the installation moreover, needs to spend certain time just can lock it, wastes time and energy.
Disclosure of Invention
In order to overcome the problems in the related art, the utility model provides a rod clamping device which can rapidly clamp rod bodies, has a simple structure, can adapt to rod bodies with different diameters, and has high working efficiency and high safety coefficient.
The utility model provides a rod body clamping device which comprises a clamping body. The clamping body comprises a first clamping body and a second clamping body which are mutually hinged through a first hinge shaft. A second hinge part is arranged at a position of the first clamp body, which is deviated from the first hinge shaft. A third hinge part is arranged at a position of the second clamp body deviating from the first hinge shaft. A locking mechanism is connected between the second hinge portion and the third hinge portion. The locking mechanism comprises a handle and a connecting rod, one end of the connecting rod is hinged to a fourth hinging part in the middle of the handle, and the other end of the connecting rod and one end of the handle are respectively hinged to the third hinging part and the second hinging part.
When the clamping rod body is used, the handle is rotated, and the first clamp body and the second clamp body rotate relatively around the first hinge shaft and clamp the rod body under the traction of the connecting rod.
Preferably, a safety mechanism is also included for preventing accidental opening of the locking mechanism. The safety mechanism is movably connected between the clamping body and the locking mechanism and is used for limiting the handle to rotate.
As a preferred embodiment, the safety mechanism comprises a trigger. The middle part of the trigger is hinged to the clamping body through a fifth hinge part, and a torsion spring is arranged between the trigger and the clamping body. The buckle at the lower end of the trigger is abutted against the clamping groove on the handle. The upper end of the trigger is provided with a pulling and pressing part for manually opening the connection between the buckle and the clamping groove. The handle is provided with a plurality of clamping grooves at different positions, so that the handle can be fixed at different positions.
Preferably, the locking mechanism further comprises a clamping diameter adjusting mechanism for adjusting the included angle between the first clamp body and the second clamp body when the locking mechanism is closed so as to be suitable for clamping rod bodies with different diameters. The clamp diameter adjusting mechanism adjusts the included angle between the first clamp body and the second clamp body by changing at least one distance among the first hinge shaft, the second hinge part, the third hinge part and the fourth hinge part.
As an optimal embodiment, the clamp diameter adjusting mechanism is a length adjusting mechanism of the connecting rod, and the size of the included angle between the first clamp body and the second clamp body is adjusted by changing the length of the connecting rod to change the distance between the third hinge part and the fourth hinge part. At this time, the clamping diameter adjusting mechanism comprises an external thread arranged on the connecting rod and an adjusting nut sleeved on the connecting rod for adjusting the length of the connecting rod. One end of the connecting rod is hinged to the fourth hinging part; the other end of the connecting rod is provided with external threads, passes through the through hole on the hinge shaft of the third hinge part and is sleeved with an adjusting nut. As other embodiments, at least one hinge shaft of the second hinge part, the third hinge part and the fourth hinge part has a connecting part which can be fixed at different positions without changing the length of the connecting rod, and the same function of adjusting the included angle between the first clamp body and the second clamp body can be realized by adjusting and fixing at least one hinge shaft of the second hinge part, the third hinge part and the fourth hinge part at different positions to change the distance between the two hinge shafts, which belongs to the equivalent scheme.
Preferably, the first hinge shaft is disposed in parallel with the hinge shafts of the second hinge part, the third hinge part, and the fourth hinge part. When the handle is opened and closed, the connecting rod swings on a plane perpendicular to the hinge shaft of the second hinge part, and the plane is arranged in a dislocation mode with the hinge shaft of the second hinge part so as to avoid interference between the connecting rod and the hinge shaft. When the connecting rod intersects with the hinge axis of the second hinge part, the clamping body is at the dead point position of the clamping rod body (the hinge axes of the second hinge part, the third hinge part and the fourth hinge part are in the same plane). At this time, the included angle between the first clamp body and the second clamp body is minimum, the clamping body can continuously clamp the rod body, and only the safety mechanism is needed to prevent the accidental touch handle from opening.
Preferably, the handle is provided with a positioning column, the second clamp body is provided with an abutting curved surface, and the positioning column is in abutting contact with the abutting curved surface to position the handle at the dead point position just past.
Preferably, the hinge end of the handle is provided with an axial slot extending to the fourth hinge part, the connecting rod is arranged in the slot, and the lugs at two sides of the slot are respectively connected with the second hinge part. The ears at two sides of the slot of the handle are respectively connected with the second hinge parts through two coaxial hinge shafts, so that the hinge shafts and the connecting rod are prevented from interfering, and the stress at two sides of the handle is balanced.
Preferably, one of the first clamp body or the second clamp body is used as a fixed hook body hooked on the rod body, and the other clamp body is used as a movable hook body for clamping the rod body; the fixed hook body is C-shaped, and the lower end of the fixed hook body is provided with a lamp connecting part for connecting a lamp.
Preferably, the first clamping body and the second clamping body comprise clamping parts with arc-shaped curved surfaces for clamping the rod body.
The technical scheme provided by the utility model has the following beneficial effects: 1. the lever principle of the handle is utilized to realize the labor-saving, convenient and quick clamping operation; 2. the structure of the clamping body is simple by using the connecting rod to pull, and the labor-saving effect is further realized by using the lever principle; 3. the rod body is clamped by utilizing the dead point position formed by overlapping the second hinge part in the swinging process of the connecting rod, so that the auxiliary force required for keeping the clamping state can be saved, the handle is only required to be prevented from being accidentally touched, and the safety coefficient is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
Drawings
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the utility model.
FIG. 1 is a schematic perspective view of a rod clamping device according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a rod clamping device according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a rod clamping device for clamping rods with different diameters according to an embodiment of the present utility model.
Thick rod body 00
Small diameter rod 10
First clamp body 01
Second clamp 02
Handle 03
Safety mechanism 04
First hinge shaft 11
Second hinge 12
Fourth hinge part 13
Third hinge portion 14
Fifth hinge 15
Abutting curved surface 21
Connecting rod 05
Lamp connecting portion 06
Positioning column 31
Clamping groove 32
Buckle 41
Trigger 42
Pulling and pressing part 43
Adjusting nut 51
Detailed Description
Preferred embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the utility model. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In order to solve the above problems, the embodiment of the utility model provides a rod clamping device which can rapidly clamp rods, has a simple structure, can adapt to rods with different diameters, and has high working efficiency and high safety coefficient.
The following describes the technical scheme of the embodiment of the present utility model in detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a rod clamping device includes a clamping body. The clamping body comprises a first clamping body 01 and a second clamping body 02 which are mutually hinged through a first hinge shaft 11, and is similar to a pliers structure. A second hinge part 12 is provided at a position of the first folder 01 deviated from the first hinge shaft 11. A third hinge portion 14 is provided at a position of the second folder 02 away from the first hinge shaft 11. A locking mechanism is connected between the second hinge part 12 and the third hinge part 14. The locking mechanism comprises a handle 03 and a connecting rod 05, one end of the connecting rod 05 is hinged to a fourth hinging part 13 in the middle of the handle 03, and the other end of the connecting rod 05 and one end of the handle 03 are respectively hinged to a third hinging part 14 and a second hinging part 12.
When the clamping rod body is used, the handle 03 is rotated, and the first clamp body 01 and the second clamp body 02 relatively rotate around the first hinge shaft 11 under the traction of the connecting rod 05 and clamp the rod body.
The rod body clamping device also comprises a safety mechanism 04 for preventing the locking mechanism from being opened accidentally. The safety mechanism 04 is movably connected between the clamping body and the locking mechanism and can limit the handle 03 to rotate.
As a preferred embodiment, the safety mechanism 04 includes a trigger 42. The middle part of the trigger 42 is hinged to the clamping body through a fifth hinging part 15, and a torsion spring is arranged between the trigger 42 and the clamping body. The buckle 41 at the lower end of the trigger 42 is abutted against the clamping groove 32 on the handle 03. The trigger 42 has a pressing portion 43 at an upper end thereof for manually opening the connection between the buckle 41 and the slot 32. The handle 03 is fixed at different positions by arranging a plurality of clamping grooves 32 at different positions on the handle 03.
The first hinge shaft 11 is disposed in parallel with the hinge shafts of the second hinge part 12, the third hinge part 14, and the fourth hinge part 13. When the handle 03 is opened and closed, the connection rod 05 swings on a plane perpendicular to the hinge shaft of the second hinge part 12, and the plane is offset from the hinge shaft of the second hinge part 12 to avoid interference between the connection rod 05 and the hinge shaft. When the connecting rod 05 intersects with the hinge axis of the second hinge part 12, the clamping body is at the dead point of the clamping rod body, and at this time, the clamping body can continuously clamp the rod body, and only the safety mechanism 04 is needed to prevent the accidental touching of the handle 03 to open.
The handle 03 is provided with a positioning column 31, the second clamp 02 is provided with an abutting curved surface 21, and the positioning column 31 is in abutting contact with the abutting curved surface 21 to position the handle 03 at the dead point position.
The hinged end of the handle 03 is provided with an axial slot extending to the fourth hinging part 13, the connecting rod 05 is arranged in the slot, and the ears at two sides of the slot are respectively connected with the second hinging part 12. The ears on two sides of the slot of the handle 03 are respectively connected with the second hinging parts 12 through two coaxial hinging shafts, so that the hinging shafts can be prevented from interfering with the connecting rod 05, and the stress on two sides of the handle 03 can be balanced.
One of the first clamp body 01 or the second clamp body 02 is used as a fixed hook body hooked on the rod body, and the other clamp body is used as a movable hook body for clamping the rod body; the fixed hook body is C-shaped, and the lower end of the fixed hook body is provided with a lamp connecting part 06 for connecting a lamp.
The first clamp body 01 and the second clamp body 02 comprise clamping parts with arc-shaped curved surfaces for clamping the rod body.
As shown in fig. 3, the rod clamping device of the present utility model can be applied to clamp rods with different diameters. When the thick diameter rod body 00 is clamped, the states of the parts of the rod body clamping device are shown as solid line parts. When the small-diameter rod body 10 is clamped, the position of the first clamp body 01 is unchanged, and the second clamp body 02, the handle 03, the safety mechanism 04 and the connecting rod 05 all rotate around respective hinge shafts by a certain angle. The rod bodies with different diameters are adjusted and adapted, and only the adjusting nut is required to be rotated to change the length of the connecting rod, so that the operation is very convenient.
The function of clamping rod bodies with different diameters is realized by a clamping diameter adjusting mechanism which is also included in the rod body clamping device. The clamp diameter adjusting mechanism adjusts the included angle between the first clamp body 01 and the second clamp body 02 by changing at least one distance among the first hinge shaft 11, the second hinge part 12, the third hinge part 14 and the fourth hinge part 13.
As a preferred embodiment, the clamping diameter adjusting mechanism is a length adjusting mechanism of the connecting rod 05, and the size of the included angle between the first clamping body 01 and the second clamping body 02 is adjusted by changing the length of the connecting rod 05 to change the distance between the third hinging part 14 and the fourth hinging part 13. At this time, the diameter adjusting mechanism includes an external thread provided on the connecting rod 05 and an adjusting nut 51 sleeved on the connecting rod to adjust the length of the connecting rod. One end of the connecting rod 05 is hinged to the fourth hinge part 13; the other end of the connecting rod 05 is provided with external threads, passes through a through hole on the hinge shaft of the third hinge part 14 and is sleeved with an adjusting nut 51. In other embodiments, at least one hinge shaft of the second hinge part 12, the third hinge part 14 and the fourth hinge part 13 has a connecting part which can be fixed at different positions without changing the length of the connecting rod 05, and the same function of adjusting the included angle between the first clamp body 01 and the second clamp body 02 can be realized by fixing at least one hinge shaft of the second hinge part 12, the third hinge part 14 and the fourth hinge part 13 at different positions and changing the distance between the two hinge shafts, which belong to the equivalent scheme.
The technical scheme provided by the utility model has the following beneficial effects:
1. the lever principle of the handle is utilized to realize the labor-saving, convenient and quick clamping operation;
2. the structure of the clamping body is simple by using the connecting rod to pull, and the labor-saving effect is further realized by using the lever principle;
3. the rod body is clamped by utilizing the dead point position formed by overlapping the second hinge part in the swinging process of the connecting rod, so that the auxiliary force required for keeping the clamping state can be saved, the handle is only required to be prevented from being accidentally touched, and the safety coefficient is improved.
The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (12)
1. The utility model provides a body of rod clamping device, includes the centre gripping body, its characterized in that:
the clamping body comprises a first clamping body (01) and a second clamping body (02) which are mutually hinged through a first hinge shaft (11); a second hinge part (12) is arranged at the position of the first clamp body (01) deviating from the first hinge shaft (11); a third hinge part (14) is arranged at a position of the second clamp body (02) deviating from the first hinge shaft (11); a locking mechanism is connected between the second hinge part (12) and the third hinge part (14);
the locking mechanism comprises a handle (03) and a connecting rod (05), one end of the connecting rod (05) is hinged to a fourth hinging part (13) in the middle of the handle (03), and the other end of the connecting rod (05) and one end of the handle (03) are respectively hinged to a third hinging part (14) and a second hinging part (12).
2. A rod body holding device according to claim 1, wherein: also comprises a safety mechanism (04) for preventing the locking mechanism from being opened accidentally; the safety mechanism (04) is movably connected between the clamping body and the locking mechanism and is used for limiting the rotation of the handle (03).
3. A rod body holding device according to claim 2, wherein: the safety mechanism (04) comprises a trigger (42); the middle part of the trigger (42) is hinged to the clamping body through a fifth hinge part (15), and a torsion spring is arranged between the trigger (42) and the clamping body; the buckle (41) at the lower end of the trigger (42) is abutted against the clamping groove (32) on the handle (03); the upper end of the trigger (42) is provided with a pulling and pressing part (43) for manually opening the connection between the buckle (41) and the clamping groove (32).
4. A rod body holding device according to claim 1, wherein: the device also comprises a clamp diameter adjusting mechanism which adjusts the included angle between the first clamp body (01) and the second clamp body (02) by changing at least one distance between the first hinge shaft (11), the second hinge part (12), the third hinge part (14) and the fourth hinge part (13).
5. The rod holding device according to claim 4, wherein: the clamping diameter adjusting mechanism is a length adjusting mechanism of the connecting rod (05), and the distance between the third hinging part (14) and the fourth hinging part (13) is changed by changing the length of the connecting rod (05).
6. A rod body holding device according to claim 5, wherein: the clamping diameter adjusting mechanism comprises an external thread and an adjusting nut (51) which are arranged on the connecting rod (05); one end of the connecting rod (05) is hinged to the fourth hinging part (13); the other end of the connecting rod (05) is provided with external threads, penetrates through a through hole on the hinge shaft of the third hinge part (14) and is sleeved with an adjusting nut (51).
7. The rod holding device according to claim 4, wherein: at least one hinge shaft of the second hinge part (12), the third hinge part (14) and the fourth hinge part (13) is provided with a connecting part which can be fixed at different positions.
8. A rod body holding device according to claim 1, wherein: the first hinge shaft (11) is parallel to the hinge shafts of the second hinge part (12), the third hinge part (14) and the fourth hinge part (13); when the handle (03) is switched on and off, the connecting rod (05) swings on a plane perpendicular to the hinge shaft of the second hinge part (12), and the plane is arranged in a dislocation mode with the hinge shaft of the second hinge part (12) so as to avoid interference between the connecting rod (05) and the hinge shaft.
9. The rod holding device according to claim 8, wherein: the handle (03) is provided with a positioning column (31), the second clamp body (02) is provided with an abutting curved surface (21), and the positioning column (31) is in abutting contact with the abutting curved surface (21) to position the handle (03) at the dead point position just past.
10. The rod holding device according to claim 8, wherein: the hinged end of the handle (03) is provided with an axial slot extending to the fourth hinged part (13), the connecting rod (05) is arranged in the slot, and the ears at two sides of the slot are respectively connected with the second hinged part (12).
11. A rod body holding device according to claim 1, wherein: one of the first clamp body (01) or the second clamp body (02) is used as a fixed hook body hooked on the rod body, and the other clamp body is used as a movable hook body for clamping the rod body; the fixed hook body is C-shaped, and the lower end of the fixed hook body is provided with a lamp connecting part for connecting a lamp.
12. A rod body holding device according to claim 1, wherein: the first clamp body (01) and the second clamp body (02) comprise clamping parts with arc-shaped curved surfaces, and the clamping parts are used for clamping the rod body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321089351.5U CN219912887U (en) | 2023-05-09 | 2023-05-09 | Rod body clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321089351.5U CN219912887U (en) | 2023-05-09 | 2023-05-09 | Rod body clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219912887U true CN219912887U (en) | 2023-10-27 |
Family
ID=88424851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321089351.5U Active CN219912887U (en) | 2023-05-09 | 2023-05-09 | Rod body clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219912887U (en) |
-
2023
- 2023-05-09 CN CN202321089351.5U patent/CN219912887U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5987820A (en) | Glass holder | |
| US7959140B2 (en) | Magnetic positioning device | |
| US5557833A (en) | Puller Device | |
| US20030080267A1 (en) | Multi-sized clamp | |
| US4943039A (en) | Adjustable clamp | |
| MXPA05008239A (en) | Bending machine die provided with a vise for clamping an elongated workpiece to be bent. | |
| US6314629B1 (en) | Hand tool for use in the quick disconnection of quick connect/disconnect couplings | |
| CN219912887U (en) | Rod body clamping device | |
| CN116379392A (en) | Rod body clamping device | |
| CN2801398Y (en) | Self-locking type pliers with driving device | |
| CN210682307U (en) | Clamping and turning device | |
| US20030222466A1 (en) | Device for inserting and removing lighting tubes | |
| CN212287412U (en) | Strong spanner | |
| CN115284844A (en) | Back door stay bar structure, automobile back door and automobile | |
| CN209668618U (en) | A kind of stone tongs, hanging apparatus and arch trolley | |
| KR200492516Y1 (en) | Connecting device for piping works | |
| EP1084011B1 (en) | Pipe crimping apparatus | |
| CN212356231U (en) | Cartridge case lifting appliance and clamping mechanism thereof | |
| CN210926842U (en) | Operating tool for switching handcart | |
| WO1992009814A1 (en) | A clamp for attachment to an elongate member such as an i-section beam | |
| CN2517546Y (en) | Novel installation pliers for baffle ring | |
| JPH05318328A (en) | Pipe holding device | |
| CN201316960Y (en) | Adjustable pincers | |
| CN109607373A (en) | A kind of stone tongs, hanging apparatus and arch trolley | |
| CN216883496U (en) | Electricity core clamping device and battery production facility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |