CN221115914U - Internal expansion type clamp - Google Patents
Internal expansion type clamp Download PDFInfo
- Publication number
- CN221115914U CN221115914U CN202322917937.2U CN202322917937U CN221115914U CN 221115914 U CN221115914 U CN 221115914U CN 202322917937 U CN202322917937 U CN 202322917937U CN 221115914 U CN221115914 U CN 221115914U
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- fixedly connected
- connecting block
- rubber strip
- threaded
- telescopic mechanism
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000003825 pressing Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
The utility model discloses an internal expansion type clamp which comprises a telescopic mechanism, wherein one side of the telescopic mechanism is connected with one side of a rubber strip in a bonding way; the outer side of the telescopic mechanism is provided with a replacement mechanism, and one side of the replacement mechanism is connected with one side of the clamping plate in a bonding way; further comprises: the telescopic mechanism comprises a base, and a support column is fixedly connected to the center position of one side of the base; the end, far away from the base, of the support column is fixedly connected with a bearing seat, and the end, far away from the support column, of the bearing seat is rotationally connected with a threaded column; the one end fixedly connected with handle that the bearing frame was kept away from to the screw thread post, the outside threaded connection that the screw thread post is close to the handle has the thread bush, one side fixedly connected with a plurality of first connecting block of thread bush utilizes three splint to work piece effect simultaneously, can carry out the centre gripping to the work piece of different internal diameters, utilizes changing mechanism can be convenient for the rubber strip change, avoids the long-time use of rubber strip to reduce its frictional force.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to an internal expansion type clamp.
Background
In the process of mass production and transportation of workpieces to assemble products, a lifting device is usually required to transport the workpieces to a designated position, and a clamp is usually arranged on the lifting device to grasp the workpieces so as to realize stable transportation of the workpieces.
The publication number CN212981693U discloses a multifunctional internal expansion type clamp, and the friction force between the internal expansion mechanism and a workpiece is increased through the cooperation of a driving device and the internal expansion mechanism, so that the device can stably clamp the workpiece; the workpiece is sucked by the vacuum chuck, so that the device has better gripping firmness on the workpiece; through the setting of protection shield and elastic component, strengthened the protection to the device, also reduced the possibility that the device hurts the people, improved the security of device, but this patent still has following problem in the in-service use:
Although this multi-functional interior expanding anchor clamps pass through drive arrangement and interior expanding mechanism's cooperation for frictional force between interior expanding mechanism and the work piece increases, thereby realizes the stable centre gripping of this device to the work piece, but the adjustable length scope of pressure strip is too little, is inconvenient for carrying out the centre gripping to the work piece of multiple model.
An internal expanding clamp is proposed in order to solve the problems set forth in the foregoing.
Disclosure of utility model
The utility model aims to provide an internal expansion type clamp, which solves the problems that the friction force between an internal expansion mechanism and a workpiece is increased by the cooperation of a driving device and the internal expansion mechanism in the prior art, so that the device can stably clamp the workpiece, but the adjustable length range of a pressing plate is too small, and the clamping of the workpieces with various types is inconvenient.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an internal expansion type clamp comprises a telescopic mechanism, wherein one side of the telescopic mechanism is attached to one side of a rubber strip;
the outer side of the telescopic mechanism is provided with a replacement mechanism, and one side of the replacement mechanism is connected with one side of the clamping plate in a bonding way;
Further comprises:
The telescopic mechanism comprises a base, and a support column is fixedly connected to the center position of one side of the base;
the end, far away from the base, of the support column is fixedly connected with a bearing seat, and the end, far away from the support column, of the bearing seat is rotationally connected with a threaded column;
The end of the threaded column, which is far away from the bearing seat, is fixedly connected with a handle, and the outer side of the threaded column, which is close to the handle, is in threaded connection with a threaded sleeve.
Preferably, one side fixedly connected with a plurality of first connecting block of thread bush, the number of first connecting block is three, and first connecting block evenly distributed is in one side of thread bush, the one end that the thread bush was kept away from to first connecting block rotates and is connected with the sleeve.
Preferably, the inside threaded connection of sleeve has the threaded rod, the threaded rod is kept away from telescopic one end and is rotated and be connected with the second connecting block.
Preferably, the one end fixedly connected with splint of threaded rod is kept away from to the second connecting block, one side fixedly connected with third connecting block that the splint is close to the second connecting block, one side fixedly connected with fourth connecting block that the splint is kept away from the second connecting block.
Preferably, the replacing mechanism comprises a rubber strip, one side of the rubber strip is connected with the clamping plate in a fitting mode, and the left end and the right end of the clamping plate are symmetrically provided with first limiting grooves.
Preferably, one side of the rubber strip away from the clamping plate is connected with a pressing block in a fitting mode, and a second limiting groove is formed in the pressing block.
Preferably, the inside sliding connection of second spacing groove has the connecting rod, the outside cover of connecting rod one end is equipped with the spring, the one end fixedly connected with switch that the connecting rod is close to the spring, one side and the briquetting of switch rotate to be connected, the one end that the switch was kept away from to the connecting rod runs through briquetting and fixedly connected with dog, the outside and the first spacing groove block of dog are connected.
Compared with the prior art, the utility model has the beneficial effects that: this interior expanding anchor clamps utilizes three splint to act on the work piece simultaneously, can carry out the centre gripping to the work piece of different internal diameters, utilizes the change mechanism to be convenient for the rubber strip change, avoids the long-time use of rubber strip to reduce its frictional force, and its concrete content is as follows:
1. The telescopic mechanism is arranged to clamp workpieces with different inner diameters, the angle of the expansion of the sleeve is changed by utilizing the screw thread action between the screw thread sleeve and the screw thread column, the clamping plates can be driven to move, the workpieces can be clamped by utilizing the simultaneous action of the three clamping plates on the workpieces, and the workpieces with different inner diameters can be clamped by utilizing the screw thread action between the threaded rod and the sleeve, so that the extending length of the threaded rod is changed;
2. Can be convenient for change the rubber strip through setting up change mechanism, utilize the cooperation between first spacing groove and the dog, can fix the clamp plate near splint, utilize clamp plate and splint to act on the rubber strip simultaneously, can fix the rubber strip on the surface of splint, under the connecting rod does not receive the exogenic action, utilize the restoring force after the spring is compressed to drive the dog and remove to first spacing groove outside, can make the clamp plate fixed more firm.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the overall side view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1 according to the present utility model;
Fig. 5 is a schematic diagram of a side view of the switch of the present utility model.
In the figure: 1. a telescoping mechanism; 101. a base; 102. a support column; 103. a bearing seat; 104. a threaded column; 105. a handle; 106. a thread sleeve; 107. a first connection block; 108. a sleeve; 109. a threaded rod; 110. a second connection block; 111. a clamping plate; 112. a third connecting block; 113. a fourth connecting block; 2. a replacement mechanism; 201. a rubber strip; 202. a first limit groove; 203. briquetting; 204. the second limit groove; 205. a connecting rod; 206. a spring; 207. a switch; 208. and a stop block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides the following technical solutions: an internal expansion type clamp comprises a telescopic mechanism 1, wherein one side of the telescopic mechanism 1 is attached to one side of a rubber strip 201; the outer side of the telescopic mechanism 1 is provided with a replacing mechanism 2, and one side of the replacing mechanism 2 is connected to one side of the clamping plate 111 in a bonding way; further comprises: the telescopic mechanism 1 comprises a base 101, wherein a supporting column 102 is fixedly connected to the center position of one side of the base 101, the length of a threaded column 104 can be limited by arranging the supporting column 102, and a second connecting block 110 can be fixed on the outer side of the supporting column 102;
The end, far away from the base 101, of the support column 102 is fixedly connected with a bearing seat 103, and the end, far away from the support column 102, of the bearing seat 103 is rotationally connected with a threaded column 104, so that the threaded column 104 can normally operate through the arrangement of the bearing seat 103;
The end of the threaded column 104 far away from the bearing seat 103 is fixedly connected with a handle 105, the outer side of the threaded column 104 close to the handle 105 is in threaded connection with a threaded sleeve 106, and the angle of the expansion of the sleeve 108 is changed by utilizing the threaded action between the threaded sleeve 106 and the threaded column 104;
One side of the thread sleeve 106 is fixedly connected with a plurality of first connecting blocks 107, the number of the first connecting blocks 107 is three, the first connecting blocks 107 are uniformly distributed on one side of the thread sleeve 106, one end, far away from the thread sleeve 106, of the first connecting blocks 107 is rotationally connected with a sleeve 108, and the sleeve 108 is convenient to rotate by arranging the first connecting blocks 107;
The inside thread of the sleeve 108 is connected with a threaded rod 109, one end of the threaded rod 109 far away from the sleeve 108 is rotationally connected with a second connecting block 110, and the length of the threaded rod 109 extending out is changed by utilizing the thread effect between the threaded rod 109 and the sleeve 108, so that workpieces with different inner diameters can be clamped, and the practicability of the device is improved;
the clamping plate 111 is fixedly connected to one end, away from the threaded rod 109, of the second connecting block 110, the third connecting block 112 is fixedly connected to one side, close to the second connecting block 110, of the clamping plate 111, the fourth connecting block 113 is fixedly connected to one side, away from the second connecting block 110, of the third connecting block 112, the threaded rod 109 is rotatably connected to one end, away from the clamping plate 111, of the third connecting block 112, the sleeve 108 is rotatably connected with the support column 102, the threaded rod 109 is rotatably connected to one end, away from the clamping plate 111, of the fourth connecting block 113, the sleeve 108 is rotatably connected to one end, away from the threaded rod 109, of the base 101, and the clamping plate 111 can be moved more stably by arranging the third connecting block 112 and the fourth connecting block 113;
The replacement mechanism 2 comprises a rubber strip 201, one side of the rubber strip 201 is in fit connection with the clamping plate 111, the left end and the right end of the clamping plate 111 are symmetrically provided with first limit grooves 202, the friction force of the device can be increased by arranging the rubber strip 201, the stability of the device is improved, and workpieces can be protected;
a pressing block 203 is attached to one side, far away from the clamping plate 111, of the rubber strip 201, a second limiting groove 204 is formed in the pressing block 203, and the sliding range of the spring 206 can be limited by the arrangement of the second limiting groove 204;
The inside sliding connection of second spacing groove 204 has connecting rod 205, and the outside cover of connecting rod 205 one end is equipped with spring 206, and the one end fixedly connected with switch 207 that connecting rod 205 is close to spring 206, and one side and the briquetting 203 rotation of switch 207 are connected, and the one end that connecting rod 205 kept away from switch 207 runs through briquetting 203 and fixedly connected with dog 208, and the outside and the first spacing groove 202 block of dog 208 are connected, utilize the restoring force after spring 206 is compressed to drive dog 208 to the outside removal of first spacing groove 202, can make the clamp plate 203 fixed more firm.
Working principle: before the internal expansion clamp is used, the whole condition of the device needs to be checked firstly to ensure that normal work can be performed, according to the method shown in fig. 1-5, the device is firstly held by a handle 105 and placed in a workpiece, then a threaded sleeve 106 is rotated, the angle of the expansion of a sleeve 108 is changed by utilizing the threaded action between the threaded sleeve 106 and a threaded column 104, a clamping plate 111 can be driven to move, and the workpiece can be clamped by utilizing the action of three clamping plates 111 on the workpiece simultaneously;
Secondly, when the rubber strip 201 needs to be replaced, the switch 207 is held and the stop block 208 is pressed inwards, meanwhile, the switch 207 is rotated by 90 degrees, the limit of the first limit groove 202 on the stop block 208 is released, the stop block 208 can be taken out of the clamping plate 111, the pressing plate 203 is separated from the rubber strip 201, the rubber strip 201 can be replaced, and the rubber strip 201 is installed inversely.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. An internal expansion type clamp comprises a telescopic mechanism (1), wherein one side of the telescopic mechanism (1) is attached to one side of a rubber strip (201);
The outer side of the telescopic mechanism (1) is provided with a replacement mechanism (2), and one side of the replacement mechanism (2) is connected with one side of the clamping plate (111) in a bonding way;
characterized by further comprising:
The telescopic mechanism (1) comprises a base (101), and a supporting column (102) is fixedly connected to the center position of one side of the base (101);
The device comprises a base (101), a support column (102), a bearing seat (103) and a threaded column (104), wherein the bearing seat (103) is fixedly connected to one end of the support column (102) far away from the base;
The handle (105) is fixedly connected to one end, far away from the bearing seat (103), of the threaded column (104), and a threaded sleeve (106) is connected to the outer side, close to the handle (105), of the threaded column (104).
2. An internal expanding fixture according to claim 1, wherein: one side fixedly connected with a plurality of first connecting block (107) of screw thread cover (106), the number of first connecting block (107) is three, and first connecting block (107) evenly distributed is in one side of screw thread cover (106), one end that screw thread cover (106) were kept away from to first connecting block (107) rotates and is connected with sleeve (108).
3. An internal expanding fixture according to claim 2, wherein: the inside threaded connection of sleeve (108) has threaded rod (109), the one end that sleeve (108) was kept away from to threaded rod (109) rotates and is connected with second connecting block (110).
4. An internal expanding fixture according to claim 3, wherein: one end that threaded rod (109) was kept away from to second connecting block (110) fixedly connected with splint (111), one side that splint (111) are close to second connecting block (110) fixedly connected with third connecting block (112), one side that second connecting block (110) was kept away from to splint (111) is fixedly connected with fourth connecting block (113).
5. An internal expanding fixture according to claim 1, wherein: the replacement mechanism (2) comprises a rubber strip (201), one side of the rubber strip (201) is connected with the clamping plate (111) in a fitting mode, and the left end and the right end of the clamping plate (111) are symmetrically provided with first limiting grooves (202).
6. The internal expanding fixture of claim 5, wherein: one side of the rubber strip (201) away from the clamping plate (111) is connected with a pressing block (203) in a fitting mode, and a second limiting groove (204) is formed in the pressing block (203).
7. The internal expanding fixture of claim 6, wherein: the inside sliding connection of second spacing groove (204) has connecting rod (205), the outside cover of connecting rod (205) one end is equipped with spring (206), one end fixedly connected with switch (207) that connecting rod (205) is close to spring (206), one side and briquetting (203) of switch (207) rotate to be connected, one end that connecting rod (205) kept away from switch (207) runs through briquetting (203) and fixedly connected with dog (208), the outside and first spacing groove (202) block of dog (208) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322917937.2U CN221115914U (en) | 2023-10-30 | 2023-10-30 | Internal expansion type clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322917937.2U CN221115914U (en) | 2023-10-30 | 2023-10-30 | Internal expansion type clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221115914U true CN221115914U (en) | 2024-06-11 |
Family
ID=91338639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322917937.2U Active CN221115914U (en) | 2023-10-30 | 2023-10-30 | Internal expansion type clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221115914U (en) |
-
2023
- 2023-10-30 CN CN202322917937.2U patent/CN221115914U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |