CN110926633A

CN110926633A - Clamping device for thermocouple

Info

Publication number: CN110926633A
Application number: CN201911264708.7A
Authority: CN
Inventors: 王敏
Original assignee: Xi'an Xipai Measurement And Control Technology Co Ltd
Current assignee: Xi'an Xipai Measurement And Control Technology Co Ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-03-27

Abstract

The invention discloses a clamping device for a thermocouple, which comprises a left clamping plate, wherein a first spring is welded on the inner wall of the left clamping plate, a buffer block is fixedly connected to one end, far away from the left clamping plate, of the first spring, a right clamping plate is hinged to the right side of the left clamping plate, a second spring is welded on the left side of the right clamping plate, an angle adjusting structure is welded at the bottom end of a connecting rod, and a locking structure is fixed at the top end of the right clamping plate. The angle adjusting structure capable of adjusting the angle is arranged, so that the angle adjusting device can adjust the angle, the fracture of a wire core in the thermocouple due to folding is greatly reduced, the left clamping plate and the right clamping plate form a movably adjustable integral structure through the locking structure, the left clamping plate and the right clamping plate are matched, the thermocouple can be initially fixed, and the closing size of the left clamping plate and the right clamping plate can be controlled through pulling the pawl, so that the operation is convenient.

Description

Clamping device for thermocouple

Technical Field

The invention relates to the technical field of temperature detection instruments, in particular to a clamping device for a thermocouple.

Background

The thermocouple is a commonly used temperature measuring element in a temperature measuring instrument, directly measures temperature, converts a temperature signal into a thermal electromotive force signal, and converts the thermal electromotive force signal into the temperature of a measured medium through an electric instrument, so that the thermocouple needs to be fixed when measuring the temperature.

In the prior art, as disclosed in the publication: CN205898323U A thermocouple holding device, including thermocouple and holding device, the said holding device forms the detection containing cavity whose cross section is the circular ring by the circular arc splint I and the circular arc splint II, one end of the two circular arc splints is hinged by the fixed plate respectively, the other end is fixed together by the through hole and the fixing device, wherein, the circular arc splint I has several through holes along the circumference, the corresponding position of the circular arc splint II has the fixing device matching with the through hole, the inner wall of the fixed plate has the thermocouple cavity matching with the thermocouple, the holding device of the invention forms the detection containing cavity whose cross section is the circular ring by the two circular arc splints, the structure is simple, the operation is simple, the two circular arc splints can rotate around the fixed plate, and the thermocouple is set on the fixed plate, therefore the invention can detect the temperature of the tubular device as well as the temperature of the planar device, the application scope is extensive, but circular arc splint I and circular arc splint II of above-mentioned patent need hold up the thermocouple with one hand earlier when fixed, insert fixing device again fixedly, and the inconvenient operation of one hand, and this clamping device can't angle regulation after pressing from both sides tight thermocouple, when the thing that detects with the thermocouple connection surpasss 90 degrees, easily make the inside sinle silk of thermocouple fracture.

Disclosure of Invention

The present invention is directed to a clamping device for a thermocouple, which solves the above-mentioned problems of inconvenient operation and incapability of adjusting the angle of the clamping device for a thermal resistor in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a clamping device for thermocouple, includes left splint, the inner wall welding of left splint has first spring, and the one end fixedly connected with buffer block that left splint was kept away from to first spring, the right side of left splint articulates there is right splint, and the left side welding of right splint has the second spring, the bottom mounting of right splint has the connecting rod, and the bottom welding of connecting rod has the angle modulation structure, the top of right splint is fixed with locking structure.

Preferably, the left splint and the right splint are arc structures, and the radian of the left splint is greater than that of the right splint.

Preferably, the first spring and the buffer block are arranged in 7 groups, and the first spring and the buffer block are uniformly distributed on the inner walls of the left clamping plate and the right clamping plate.

Preferably, the angle adjusting structure includes a rotary ball, a limiting block, a third spring, a screw rod and a thread sleeve, the outer side of the rotary ball is wrapped with a hemispherical groove, the screw rod is inserted below the hemispherical groove, the thread sleeve is sleeved on the outer side of the screw rod, and the third spring is welded above the screw rod.

Preferably, the locking structure includes pawl, fourth spring, bracing piece, shell and pull ring, the right side of pawl articulates there is the bracing piece, and the bottom mounting of bracing piece has the shell, the below welding of pawl has the fourth spring, the top of pawl articulates there is the pull ring.

Preferably, the outer surface of the left clamping plate is provided with saw-toothed protrusions, and the saw-toothed protrusions are matched with the pawls.

Compared with the prior art, the invention has the beneficial effects that: the device is through being provided with angle modulation structure that can angle modulation for the device can angle modulation, and the sinle silk that has significantly reduced in the thermocouple splits because of folding, and the device is through being provided with locking structure, makes left splint and right splint form a mobile overall structure who adjusts, and through left splint and the cooperation of right splint again, can tentatively fix the thermocouple earlier, and the rethread is carried and is drawn the pawl can control the closed size of left splint and right splint, convenient operation.

(1) The device sets up the angle modulation structure, because the outside parcel of rolling ball has the hemisphere groove, and the screw rod passes hemisphere groove and rolling ball and stopper fixed connection, after rotatory rolling ball adjusted the angle, rotatable thread bush for the stopper pushes down, makes rolling ball and hemisphere groove fixed, so can adjust according to the actual angle of thermocouple with the measuring object, has avoided the sinle silk in the thermocouple because of folding fracture.

(2) The device is through being provided with locking structure, when the bottom of pushing down left splint and right splint, left splint open with right splint, can tentatively fix putting into the thermocouple, drags left splint clockwise for arch and the pawl contact on the left splint, because the protruding mutual block in the pawl and the left splint outside can be fixed the thermocouple completely, when the thermocouple need be taken off, carry and draw the pull ring and make the pawl leave the arch of left splint, the adjustment left splint can, make the simple operation.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic structural view of a front cross section of the angle adjusting structure of the present invention;

fig. 3 is a schematic front sectional view of the locking structure of the present invention.

In the figure: 1. a left splint; 2. a first spring; 3. a buffer block; 4. a second spring; 5. a connecting rod; 6. an angle adjustment structure; 601. rotating the ball; 602. a hemispherical groove; 603. a limiting block; 604. a third spring; 605. a screw; 606. a threaded sleeve; 7. a right splint; 8. a locking structure; 801. a pawl; 802. a fourth spring; 803. a support bar; 804. a housing; 805. and (4) a pull ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment:

the first embodiment is as follows:

the utility model provides a clamping device for thermocouple, includes left splint 1, and the inner wall welding of left splint 1 has first spring 2, and first spring 2 keeps away from the one end fixedly connected with buffer block 3 of left splint 1, and first spring 2 is provided with 7 groups with buffer block 3 altogether, and first spring 2 and buffer block 3 evenly distributed are at the inner wall of left splint 1 and right splint 7 for when pressing from both sides tight thermocouple, the mechanical damage of the reducible thermocouple of the elastic action of first spring 2.

Example two:

the right side of the left splint 1 is hinged with a right splint 7, the left side of the right splint 7 is welded with a second spring 4, the bottom end of the right splint 7 is fixed with a connecting rod 5, the bottom end of the connecting rod 5 is welded with an angle adjusting structure 6, the angle adjusting structure 6 comprises a rotating ball 601, a semispherical groove 601, a limiting block 603, a third spring 604, a screw 605 and a threaded sleeve 606, the semispherical groove 602 wraps the outer side of the rotating ball 601, the screw 605 is inserted below the semispherical groove 602, the threaded sleeve 606 is sleeved on the outer side of the screw 605, the third spring 604 is welded above the screw 605, after the angle is adjusted by rotating the rotating ball 601, the threaded sleeve 606 can be rotated, the limiting block 603 is pressed downwards, the rotating ball 601 is fixed with the semispherical groove 602, the adjustment can be carried out according to the actual angle of the thermocouple and a detection object, and the fracture of a wire.

Example three:

the left clamping plate 1 and the right clamping plate 7 are arc-shaped structures, the radian of the left clamping plate 1 is larger than that of the right clamping plate 7, so that the left clamping plate 1 and the right clamping plate 7 can form a clamping cavity for clamping a thermocouple, the left clamping plate 1 can be sleeved outside the right clamping plate 7, the size of the clamping cavity can be adjusted, the top end of the right clamping plate 7 is fixed with a locking structure 8, the locking structure 8 comprises a pawl 801, a fourth spring 802, a supporting rod 803, a shell 804 and a pull ring 805, the right side of the pawl 801 is hinged with the supporting rod 803, the bottom end of the supporting rod 803 is fixed with the shell 804, the fourth spring 802 is welded below the pawl 801, the pull ring 805 is hinged above the pawl 801, the outer surface of the left clamping plate 1 is provided with saw-toothed protrusions which are matched with the pawl 801, after the thermocouple is fixed by the left clamping plate 1 and the right clamping plate 7, the left clamping plate 1 is clockwise rotated, after left splint 1 has adjusted, pawl 801 and the protruding looks block in left splint 1 outside, and the elastic force through fourth spring 802 makes left splint 1 fixed with right splint 7, and then presss from both sides the thermocouple tightly, if need take off the thermocouple, can directly carry and draw pull ring 805, makes pawl 801 lift up, leaves left splint 1 outside arch, can rotate left splint 1, takes off the thermocouple, and whole operation is very convenient, has improved work efficiency greatly.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A clamping device for thermocouples, comprising a left clamping plate (1), characterized in that: the inner wall welding of left side splint (1) has first spring (2), and first spring (2) keep away from one end fixedly connected with buffer block (3) of left splint (1), the right side of left side splint (1) articulates there is right splint (7), and the left side welding of right splint (7) has second spring (4), the bottom mounting of right side splint (7) has connecting rod (5), and the bottom welding of connecting rod (5) has angle modulation structure (6), the top of right side splint (7) is fixed with locking structure (8).

2. A holding device for a thermocouple according to claim 1, characterised in that: the left splint (1) and the right splint (7) are arc-shaped structures, and the radian of the left splint (1) is larger than that of the right splint (7).

3. A holding device for a thermocouple according to claim 1, characterised in that: the first spring (2) and the buffer block (3) are provided with 7 groups together, and the first spring (2) and the buffer block (3) are uniformly distributed on the inner walls of the left clamping plate (1) and the right clamping plate (7).

4. A holding device for a thermocouple according to claim 1, characterised in that: the angle adjusting structure (6) comprises a rotating ball (601), a limiting block (603), a third spring (604), a screw rod (605) and a threaded sleeve (606), wherein a semispherical groove (602) wraps the outer side of the rotating ball (601), the screw rod (605) is inserted below the semispherical groove (602), the threaded sleeve (606) is sleeved on the outer side of the screw rod (605), and the third spring (604) is welded above the screw rod (605).

5. A holding device for a thermocouple according to claim 1 or 2, characterised in that: locking structure (8) include pawl (801), fourth spring (802), bracing piece (803), shell (804) and pull ring (805), the right side of pawl (801) articulates there is bracing piece (803), and the bottom mounting of bracing piece (803) has shell (804), fourth spring (802) have been welded to the below of pawl (801), the top of pawl (801) articulates there is pull ring (805).

6. A holding device for a thermocouple according to claim 1, characterised in that: the outer surface of the left clamping plate (1) is provided with saw-toothed protrusions, and the saw-toothed protrusions are matched with the pawls (801).