CN217520648U - Quick connector assembly and quick connecting device for instrument - Google Patents

Abstract

The utility model provides a quick-operation joint subassembly for instrument, including lock sleeve, thread insert group and meet soon the pole, the inside of lock sleeve is equipped with the interior region, and at least partly of thread insert group centers on the outside at the pole that meets soon, and the inside of thread insert group and the top of meeting soon the pole form the screw thread end assembly region, and the inside region is arranged in proper order in partly and the thread insert group of pole that connects soon, and the thread insert group removes the inside to the interior region through the pole that meets soon for the regional clamping action that accomplishes of screw thread end assembly. The utility model also provides a connect device soon, including foretell instrument with quick-operation joint subassembly, with be located its below position's drive assembly, the instrument is connected with quick-operation joint subassembly and drive assembly. The utility model discloses can accomplish the tight action of clamp to the instrument under the condition that need not manual operation to make certain clamp force and sealed effect have between the two.

Description

Quick connector assembly for instrument and quick connecting device

Technical Field

The utility model relates to a joint, especially a quick joint subassembly and quick connect device for instrument are used to instrument.

Background

In the pressure meter calibration industry, a pressure meter is usually screwed into a calibration device manually to realize the assembly and connection of the pressure meter and the calibration device, so as to realize the installation and sealing between the pressure meter and the calibration device. However, the manual mode of repeatedly rotating the threads many times can consume a great amount of time and energy of workers, especially when the threads are worn and damaged, and the threads contain sundries, the threads can be clamped after being repaired, and great difficulty is brought to the installation process.

Disclosure of Invention

To the weak point that exists in the above-mentioned problem, the utility model provides a can accomplish the tight action of clamp to the instrument under the condition that need not manual operation to make the instrument that has certain clamp force and sealed effect between the two with quick joint subassembly and quick-operation device.

In order to realize the above object, the utility model provides a quick-operation joint subassembly for instrument, including the lock sleeve, the thread insert group and the pole that connects soon, the inside of lock sleeve is equipped with the interior region, and at least some of thread insert group centers on in the outside of the pole that connects soon, and the inside of thread insert group and the top of the pole that connects soon form the screw thread end assembly region, and the inside region is arranged in proper order to some and the thread insert group of the pole that connects soon, and the thread insert group removes the inside to the interior region through the pole that connects soon for the regional clamping action that accomplishes of screw thread end assembly.

Optionally, the inner region and the threaded end assembling region are coaxially arranged along an axis a, and the top end of the threaded insert group is moved to the outer side of the inner region along the axis a by the quick connection rod, so that the threaded end assembling region is in an open state;

the top end of the threaded insert group moves to the inside of the inner area along the axis A through the quick connection rod, so that the threaded end assembling area is in a clamping state.

Optionally, the quick-connect rod includes a connection groove located at a top end thereof, an annular clamping groove disposed on an outer wall surface thereof, and a fluid passage penetrating through the interior of the quick-connect rod, the connection groove is connected with the fluid passage and is communicated with the gas passage, the connection groove is coaxially disposed with the fluid passage, the internal region, and the threaded end assembly region, and the annular clamping groove is close to a top end position of the quick-connect rod.

Optionally, a sealing element is further disposed in the connecting groove, the sealing element surrounds the outer side of the axis a, the outer wall surface of the sealing element is in contact with the inner wall surface of the connecting groove, and the top end of the sealing ring and the top end of the quick-connection rod are located on the same plane or extend to the outer side of the top end of the quick-connection rod.

Optionally, the bottom wall of the threaded end fitting region is formed by the top end of the quick-connect rod, a partial region of the connection groove, and the top end of the sealing element.

Optionally, the threaded insert group is composed of a plurality of threaded inserts, each threaded insert includes an outer wall portion, the shape of the outer wall portion is an outer convex arc-shaped structure, threads are distributed on the inner wall surface of the outer wall portion, and the side wall of the threaded end assembling area is formed by surrounding the outer wall portions of the plurality of threaded inserts.

Optionally, the threaded insert further includes a lower end portion, the longitudinal section of the threaded insert is of a transverse structure, and a front end surface of the lower end portion extends into the annular slot toward the position of the quick-connection rod along the horizontal direction to form an extension portion.

Optionally, a groove is formed after a local area of the outer wall surface of the extension part is recessed towards the inside of the extension part;

the grooves in the plurality of the thread inserts are connected to form communicated annular areas.

Optionally, the clamping device further comprises an elastic part which is sleeved outside the annular clamping groove and is arranged in the annular area.

The utility model also provides a connect device soon, including foretell instrument with quick joint subassembly, with be located the transmission assembly of instrument with quick joint subassembly below position, the instrument is connected with quick joint subassembly and transmission assembly.

Optionally, the transmission assembly includes an air cylinder support, an air cylinder, a transmission rod and a piston rod, the air cylinder is located at the bottom of the air cylinder support and connected to the air cylinder support, the transmission rod is located inside the air cylinder support, one part of the piston rod is located inside the air cylinder support, the other part of the piston rod is located inside the air cylinder, and two ends of the transmission rod are connected to the quick-connection rod and the piston rod respectively.

Optionally, the piston rod is composed of a longitudinal part and a transverse part which are connected, one part of the longitudinal part is arranged in the cylinder bracket, and the other part of the longitudinal part and the transverse part are both arranged in the cylinder;

a clearance area a is formed between the outer wall surface of the longitudinal part and the inner wall surface of the cylinder, the outer wall surface of the transverse part is abutted against the inner wall surface of the cylinder, and a clearance area b is formed between the bottom end of the transverse part and the inner wall of the bottom end of the cylinder.

Optionally, the outer wall surface of the cylinder is provided with an air hole a and an air hole b which are arranged in an upper and a lower rows, the air hole a is communicated with the gap area a, and the air hole b is communicated with the gap area b;

the lateral portion moves in the area between the air holes a and b.

Optionally, the gas hole a and the gas hole b are respectively communicated with an external gas injection assembly, and gas is injected into the gap area a or the gap area b through the gas hole a or the gas hole b.

Optionally, the quick-connection rod further comprises an oil pipe, one end of the oil pipe is connected with the quick-connection rod through the cylinder support and is communicated with the air path, and the other end of the oil pipe is located on the outer side of the cylinder support.

Compared with the prior art, the utility model has one of following advantage:

after the instrument is arranged in the threaded end assembling area, the quick-connection rod controls the threaded insert group to move from the outer side of the inner area to the inner part of the inner area, so that the instrument is clamped without manual operation, and a certain clamping force and a certain sealing effect are achieved between the instrument and the quick-connection rod;

the quick connecting rod control threaded insert group moves from the inside of the inner area to the outside of the inner area, so that the instrument is opened without manual operation, and the instrument can be taken out from the threaded end assembling area;

by additionally arranging the elastic piece, the opening action and the clamping action can be rapidly completed when the spiral insert group moves through the quick connecting rod;

the transmission assembly is under the effect of atmospheric pressure to control the regional clamping action to the instrument of accomplishing of screw thread end assembly, and make certain clamp force and sealed effect have between the two, can improve the efficiency to the instrument installation, reach labour saving and time saving's effect.

Drawings

Fig. 1 is a structural diagram of a medium-fast joint assembly of the present invention;

FIG. 2 is an exploded view of a middle threaded insert set according to the present invention;

FIG. 3 is a top view of FIG. 2;

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

fig. 5 and fig. 6 are structural diagrams of the middle quick-connection device of the present invention in an open state;

fig. 7 and 8 are structural diagrams of the middle quick-connection device in a clamping state.

The main reference numbers are as follows:

1-a pressure gauge; 2-a seal; 3-a set of threaded inserts; 31-a threaded insert; 32-an outer wall portion; 33-lower end portion; 34-a groove; 35-threaded end assembly area; 4-an elastic portion; 5-a quick-connect rod; 51-a connecting slot; 52-a fluid channel; 53-ring slot; 6-locking sleeve; 61-an inner region; 7-mounting a plate; 8-a cylinder support; 9-a cylinder; 91-air hole a; 92-vent b; 93-gap region a; 94-gap region b; 10-a piston rod; 101-a longitudinal portion; 102-a transverse portion; 11-a transmission rod; 12-an oil pipe; 13-a threaded end; 14-bolt

Detailed Description

As shown in fig. 1 to 4, the utility model provides a quick connector assembly for instrument, which comprises a locking sleeve 6, a thread insert group 3 and a quick connecting rod 5.

The top end of the locking sleeve 6 is provided with an inner area 61 formed by sinking towards the inside of the locking sleeve, the inner area 61 is in a cone-shaped structure in a circular truncated cone shape, the top end of the inner area is in an open structure, and the inner wall surface of the inner area is in a smooth structure.

The threaded insert set 3 has the same shape as the inner region 61, and is formed by combining a plurality of threaded inserts 31 having the same structure.

In the present embodiment, the threaded insert group 3 is formed by combining three identical threaded inserts 31.

The insert 31 is formed of an outer wall portion 32 and a lower end portion 33. Wherein, the shape of the outer wall part 32 is an arc structure of an outer convex shape, and the inner wall surface is distributed with screw threads which can be matched with the screw thread end 13 in the pressure gauge 1.

When the three inserts 31 are combined, the side wall of the screw end fitting region 35 is surrounded by three outer wall portions 32 of the three inserts 31.

The lower end 33 is connected to the inner wall surface of the outer wall 32, and the bottom end of the lower end 33 is flush with the bottom end of the outer wall 32.

The longitudinal section of the lower end part 33 is a transverse structure, and the front end surface of the lower end part 33 extends towards the position of the quick-connect rod 5 along the horizontal direction to form an extension part.

In addition, a groove 34 is formed after a partial region of the outer wall surface of the extension portion is depressed inward. Wherein, when the three thread inserts 31 are combined, the three grooves 34 are connected to form a communicating annular region.

The quick-connect rod 5 includes a connecting groove 51 provided at a top end thereof, an annular catching groove 53 provided on an outer wall surface thereof, and a fluid passage 52 penetrating the interior thereof.

The connection groove 51 is connected to the fluid passage 52 and is in air passage communication. The connecting groove 51 is disposed coaxially along the axis a with the fluid passageway 52, the inner region 61, and the threaded end fitting region 35.

A seal member 2 is further provided in the coupling groove 51, surrounding the outside of the axis a, and having an outer wall surface in contact with an inner wall surface of the coupling groove 51. The top end of the sealing ring 2 and the top end of the quick connecting rod are in the same plane or extend to the outer side of the top end of the quick connecting rod 5.

In this embodiment, the sealing member 2 is an elastic sealing ring, and the top end of the sealing member and the top end of the quick connection rod 5 extend to the outside of the top end of the quick connection rod 5.

The bottom wall of the screw end fitting region 35 is constituted by the top end of the quick-coupling rod 5, a partial region of the coupling groove 51, and the top end of the seal member 2.

The annular slot 53 is near the top end of the quick-connect rod 5, and the front end surface of the lower end part 33 extends into the annular slot 53 toward the position of the quick-connect rod 5 along the horizontal direction.

In addition, the elastic part 4 is sleeved outside the annular clamping groove 53 and is arranged in the annular area.

In this embodiment, the elastic portion 4 is an elastic sheet having a C-shaped structure.

When the lower end portion 33 is disposed inside the annular notch 53, the elastic piece fitted around the outside of the annular notch 53 is also disposed in the annular region. By additionally arranging the elastic piece, the opening action and the clamping action can be quickly finished when the spiral insert set moves through the quick connecting rod.

In the present embodiment, three screw inserts 31 are connected to the quick-connect rod 5 through the lower end 33 and surround the outside of the quick-connect rod 5.

The locking sleeve 6 is sequentially sleeved on the outer sides of the spiral insert group 3 consisting of the three spiral inserts 31 and the quick-connection rod 5, so that the spiral insert group 3 and a part of the quick-connection rod 5 are arranged in the inner area 61.

Wherein the inner region 61 and the threaded end fitting region 35 are also coaxially arranged along the axis a.

When it is desired to place the instrument in the threaded end assembly area, the threaded insert set 3 is moved up along axis a to the outside of the inner area 61 by the quick-connect rod 5, and the top end of the threaded insert set 3 is finally placed outside the inner area 61, so that the threaded end assembly area 35 is in an open state to complete the opening action. At this time, the threaded end 13 in the pressure gauge 1 may be placed inside the threaded end fitting region 35 in the expanded state.

When the instrument is clamped by the threaded end assembling area, the threaded insert group 3 moves downwards along the axis A to the inside of the inner area 61 through the quick connection rod 5, and the top end of the threaded insert group 3 is finally arranged in the inner area 61, so that the threaded end assembling area 35 is switched from an opening state to a clamping state to complete the clamping action. At this time, the threaded end 13 of the pressure gauge 1 may be clamped inside the threaded end fitting region 35. Because the screw thread in the threaded end assembly area 35 is matched with the screw thread on the threaded end 13, certain clamping force and sealing effect are achieved between the threaded end assembly area and the threaded end, and the instrument is clamped without manual operation.

As shown in fig. 5 to 8, the present invention further provides a quick connection device, which includes the quick connection component for the instrument recorded in fig. 1 to 4, and a transmission component located below the quick connection component for the instrument, wherein the quick connection component for the instrument is connected to the transmission component.

The transmission assembly comprises a cylinder bracket 8, a cylinder 9, a transmission rod 11 and a piston rod 10. The cylinder support 8 is positioned at the lower end of the locking sleeve 6, and the cylinder support and the locking sleeve are fixed through a bolt 14. The locking sleeve 6 is located above the mounting plate 7, the cylinder support 8 is located below the mounting plate 7, and the bolt 14 penetrates through the mounting plate 7.

The cylinder 9 is located at the bottom of the cylinder support 8 and is connected to the cylinder support 8. Wherein, the top end of the cylinder 9 is arranged inside the cylinder bracket 8, and the top of the cylinder 9 is fixed by a fastener.

The piston rod 10 is composed of a longitudinal portion 101 and a transverse portion 102 connected to each other, and a part of the longitudinal portion 101 is disposed in the cylinder holder 8, and the other part of the longitudinal portion 101 and the transverse portion 102 are both disposed in the cylinder 9.

An upper assembling hole is formed in the upper end of the transmission rod 11, the transmission rod 11 is sleeved on the outer side of the quick connecting rod 5 through the upper assembling hole, and the transmission rod is fastened through a fastening piece. A lower assembling hole is formed in the lower end portion of the transmission rod 11, the transmission rod 11 is sleeved outside the longitudinal portion 101 through the lower assembling hole, and the lower end portion of the transmission rod 11 is clamped between the upper and lower fastening pieces so as to fasten the transmission rod.

A clearance area a93 is formed between the outer wall surface of the vertical portion 101 and the inner wall surface of the cylinder 9, the outer wall surface of the lateral portion 102 abuts the inner wall surface of the cylinder 9, and a clearance area b94 is formed between the bottom end of the lateral portion 102 and the bottom end inner wall of the cylinder 9.

The outer wall surface of the cylinder 9 is further opened with an air hole a91 and an air hole b92 which are arranged up and down, the air hole a91 is communicated with the gap area a93, and the air hole b92 is communicated with the gap area b 94.

The gas holes a91 and b92 are respectively communicated with an external gas injection module, and gas is injected into the gap region a93 or the gap region b94 through the gas holes a91 or b92, respectively, so that the lateral portion 102 can move in the region between the gas holes a91 and b 92.

When the transverse portion 102 needs to be controlled to move from the position currently close to the air hole b92 to the position close to the air hole a91, an external air injection assembly is injected into the gap region b94 through the air hole b92, and when the air pressure in the gap region b94 reaches a certain pressure, the transverse portion 102 moves from the position currently close to the air hole b92 to the position close to the air hole a91, so that the top end of the threaded insert group 3 moves upwards along the axis a to the outer side of the inner region 61 through the quick-connection rod 5, and the threaded end assembly region 35 is in an open state to complete the opening action. At this time, the threaded end 13 in the pressure gauge 1 may be placed inside the threaded end fitting region 35 in the expanded state.

When the transverse portion 102 needs to be manipulated to move from a position currently close to the air hole a91 to a position close to the air hole b92, an external air injection assembly is injected into the gap region a93 through the air hole a91, and when the air pressure in the gap region a93 reaches a certain pressure, the transverse portion 102 moves from a position currently close to the air hole a91 to a position close to the air hole b92, so that the top end of the threaded insert group 3 moves downwards along the axis a to the outer side of the inner region 61 through the quick connection rod 5, and the threaded end assembly region 35 is in a clamping state, so as to complete the clamping action. At this time, the screw end 13 of the pressure gauge 1 may be clamped inside the screw end fitting region 35. Because the screw thread in the threaded end assembly area 35 matches with the screw thread on the threaded end 13, certain clamping force and sealing effect are provided between the threaded end assembly area and the threaded end, and the instrument is clamped without manual operation.

In addition, the device also comprises an oil pipe 12, one end of which is connected with the quick connecting rod 5 through the cylinder bracket 8 and is communicated with the air passage, and the other end of which is positioned outside the cylinder bracket 8. The pressure medium enters the threaded end 13 of the pressure gauge 1 through the oil pipe 12, the fluid passage 52, the connecting groove 51, so that the pressure gauge 13 can display a pressure index corresponding to the pressure medium.

The foregoing is illustrative of the preferred embodiments of the present invention, which is to be considered as illustrative rather than restrictive. Those skilled in the art will appreciate that many variations, modifications, and equivalents may be made thereto without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (15)

1. The utility model provides a quick-operation joint subassembly for instrument, includes the lock sleeve, thread insert group and quick-operation rod, the inside of lock sleeve is equipped with the inner region, at least some of thread insert group is around the outside at the quick-operation rod, the inside of thread insert group and the top of quick-operation rod form the screw thread end assembly region, a serial communication port, partly and the thread insert group of quick-operation rod arrange the inner region in proper order in, the thread insert group passes through the quick-operation rod and removes to the inside of inner region for the regional clamping action that accomplishes of screw thread end assembly.

2. The quick connector assembly for instruments according to claim 1, characterized in that the inner area and the threaded end assembling area are coaxially arranged along an axis a, and the top end of the threaded insert set is moved to the outside of the inner area along the axis a by the quick connection rod, so that the threaded end assembling area is in an expanded state;

the top end of the threaded insert group moves to the inside of the inner area along the axis A through the quick connection rod, so that the threaded end assembling area is in a clamping state.

3. The quick connector assembly for meters as claimed in claim 1 or 2, wherein the quick connector includes a connecting groove at a top end thereof, an annular groove provided on an outer wall surface thereof, and a fluid passage penetrating the interior thereof, the connecting groove being connected to the fluid passage and being in communication with the gas passage, the connecting groove being provided coaxially with the fluid passage, the inner region, and the screw end fitting region, the annular groove being located near a top end of the quick connector.

4. The quick-connection assembly for meters as claimed in claim 3, wherein a sealing member is further provided in the connecting groove, surrounding the outside of the axis A, and the outer wall surface of the sealing member is in contact with the inner wall surface of the connecting groove, and the top end of the sealing ring is in the same plane as the top end of the quick-connection rod or extends to the outside of the top end of the quick-connection rod.

5. The quick connector assembly for meters of claim 4, wherein the bottom wall of the threaded end fitting area is constituted by the top end of the quick connector rod, a partial area of the connecting groove, and the top end of the sealing member.

6. The quick connector assembly for meters as claimed in claim 5, wherein the threaded insert group is composed of a plurality of threaded inserts, the threaded inserts comprise outer wall portions which are in an arc-shaped structure of an outer convex shape, threads are distributed on the inner wall surfaces of the threaded inserts, and the side wall of the threaded end assembling area is surrounded by the outer wall portions of the plurality of threaded inserts.

7. The quick connector assembly for meters as claimed in claim 6, wherein the threaded insert further comprises a lower end portion, the longitudinal section of the threaded insert is a transverse structure, and a front end surface of the lower end portion extends into the annular slot along the horizontal direction towards the position of the quick connection rod to form an extension portion.

8. The quick connector assembly for meters of claim 7, characterized in that the partial area of the outer wall surface of the extension part is recessed towards the inside to form a groove;

and the grooves in the thread inserts are connected to form communicated annular areas.

9. The quick connector assembly for meters of claim 8, further comprising an elastic portion sleeved outside the annular slot and disposed in the annular region.

10. A quick-connect device, comprising a quick-connect assembly for a meter according to any one of claims 1 to 9, and a transmission assembly located at a position below the quick-connect assembly for a meter, wherein the quick-connect assembly for a meter is connected with the transmission assembly.

11. The quick connector assembly for instruments according to claim 10, wherein the transmission assembly comprises a cylinder bracket, a cylinder, a transmission rod and a piston rod, the cylinder is located at the bottom of the cylinder bracket and connected with the cylinder bracket, the transmission rod is located inside the cylinder bracket, one part of the piston rod is arranged inside the cylinder bracket, the other part of the piston rod is arranged inside the cylinder, and two ends of the transmission rod are respectively connected with the quick connection rod and the piston rod.

12. The quick connector assembly for meters of claim 11, wherein the piston rod is composed of a longitudinal portion and a transverse portion connected with each other, one part of the longitudinal portion is disposed in the cylinder bracket, and the other part of the longitudinal portion and the transverse portion are both disposed in the cylinder;

a clearance area a is formed between the outer wall surface of the longitudinal part and the inner wall surface of the cylinder, the outer wall surface of the transverse part is abutted against the inner wall surface of the cylinder, and a clearance area b is formed between the bottom end of the transverse part and the inner wall of the bottom end of the cylinder.

13. The quick connector assembly for instruments according to claim 12, wherein the outer wall surface of the cylinder is provided with an air hole a and an air hole b which are arranged in an upper and a lower rows, the air hole a is communicated with the gap area a, and the air hole b is communicated with the gap area b;

the lateral portion moves in the area between the air holes a and b.

14. The quick connector assembly for meters of claim 13, wherein the gas hole a and the gas hole b are respectively communicated with an external gas injection assembly, and gas is injected into the gap area a or the gap area b through the gas hole a or the gas hole b.

15. The quick joint assembly for meters as claimed in any one of claims 11 to 14, further comprising an oil pipe, one end of which is connected with the quick joint rod through the cylinder bracket and is in air passage communication, and the other end of which is located outside the cylinder bracket.

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