CN213957208U - Elastic heating module for test fixture - Google Patents

Abstract

The utility model discloses an elastic heating module for test fixture, including last module, lower module, a plurality of elastic component and heating rod, the upper surface of going up the module is equipped with bellied test surface, and the lower surface has the semicircular groove of placing the heating rod, and this semicircular groove's diameter is unanimous with the heating rod diameter, the module upper surface has V type groove down, goes up the module and closes with lower module, and a plurality of elastic components are located between module and the lower module, semicircular groove and V type inslot are arranged in to the heating rod. The utility model provides an elastic heating module for test fixture adopts split type structure cooperation elastic component to support, ensures that the test surface laminates with the product that awaits measuring completely, has not only ensured the temperature value of test surface, still avoids the condition of product and test surface contact failure.

Description

Elastic heating module for test fixture

Technical Field

The utility model relates to a radiator test field especially relates to an elastic heating module for test fixture.

Background

Before the radiator is installed, the radiating effect of the radiator needs to be tested to judge whether the radiator is qualified for radiating, and a heating jig is needed to provide bottom heat for the radiating test, so that the radiating test can be realized.

As shown in fig. 1, the conventional test fixture has an integral hollow heating module 21, and a heating rod 22 needs to be inserted into a circular hole of the module for use. In order to ensure that the heating rod can be smoothly inserted into the round hole, the round hole needs to be slightly larger than the diameter of the heating rod (namely, a gap exists between the heating rod and the heating module) during machining, and then heat-conducting paste 23 needs to be coated on the surface of the heating rod or in the round hole to fill the gap in the use process so as to ensure that heat on the heating rod is timely transferred to the heating module. But when long-time high temperature after-use, the heat conduction cream can solidify in heating module to lead to the heating rod can't take out, thereby lead to the heating rod to damage, heating module also needs the synchronous change, makes the wasting of resources. In addition, the heating rod has gaps with the periphery in the heating process, so that the whole heating module can be heated, the temperature of the test surface on the upper surface cannot be effectively controlled in time, a certain hysteresis phenomenon exists, and the test efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a test is elastic heating module for tool, adopt split type structure cooperation elastic component to support, ensure that the test face laminates with the product that awaits measuring completely, has not only ensured the temperature value of test face, still avoids the condition of product and test face contact failure, and the condition that the thermal paste solidifies and makes the unable heating rod take out can not appear in split type structure simultaneously, has reduced the frequency of changing to reduce cost.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an elastic heating module for test fixture, includes the module, lower module, a plurality of elastic component and heating rod, the upper surface of going up the module is equipped with bellied test surface, and the lower surface has the semicircular groove of placing the heating rod, and this semicircular groove's diameter is unanimous with the heating rod diameter, the module upper surface has V type groove down, goes up the module and closes with the lower module, and a plurality of elastic components are located between module and the lower module, semicircular groove and V type inslot are arranged in to the heating rod.

Preferably, gaps for accommodating the elastic pieces are arranged on two sides of the semicircular groove of the upper module, and the depth of each gap is smaller than the length of each elastic piece in a natural state.

Preferably, the upper module is a copper material.

Preferably, the included angle of the groove bottom of the V-shaped groove is 110-120 degrees.

Preferably, the elastic member is a spring.

Compared with the prior art, the utility model discloses an elastic heating module for test fixture has following beneficial effect: the heating rod can be conveniently taken out by adopting a split structure, so that the heating rod cannot be taken out due to solidification of the heat-conducting paste, and the service life of the heating rod is prolonged;

for a slotted hole structure for placing a heating rod, the upper module is provided with a semicircular groove with the diameter consistent with that of the heating rod, so that the surface of the heating rod is ensured to be completely attached to the upper module, the generated heat can be efficiently and upwards transferred to a test surface, and the temperature value of the test surface is ensured; the lower module is provided with a V-shaped groove, so that contact surface connection is reduced, and excessive heat is prevented from being transferred to the lower module;

after the upper module and the lower module are assembled, the elastic piece is arranged between the upper module and the lower module, when a test surface product is pressed down, the reaction force of the spring is utilized to enable the test surface to be completely laminated, meanwhile, the elastic piece is arranged on four corners, so that the test surface can be properly inclined to be adjusted, the fitting performance in the test process is guaranteed through the product test of the unevenness of the surface to be tested, the condition of poor contact is avoided, the test efficiency is improved, and the poor misjudgment rate is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a structural diagram of a heating module of a conventional test fixture;

FIG. 2 is a structural diagram of a test fixture according to an embodiment of the present invention;

fig. 3 is a side cross-sectional view of an embodiment of the invention.

In the attached figure, 1-base, 2-groove, 3-upper module, 4-lower module, 5-heating rod, 6-testing surface, 7-semi-circular groove, 8-V-shaped groove, 9-threaded hole, 10-bolt, 11-elastic piece, 12-through hole and 13-notch.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

The utility model discloses an elastic heating module for test fixture, its radiator test fixture are shown as figure 2, including tool base 1 and heating module, this tool base surface is equipped with the recess 2 that holds heating module, and this heating module is including the last module 3 and the lower module 4 that pair mutually, and a plurality of elastic components 11 and cartridge are at cylindrical heating rod 5 between last module and lower module.

As shown in fig. 3, the upper surface of going up the module has bellied test surface 6, need guarantee the temperature value of this test surface when the test, so need guarantee the temperature value of going up the module, be equipped with the half slot 7 of placing the heating rod on the lower surface of last module, the diameter of controlling this half slot is unanimous with the heating rod diameter, ensures that the heating rod laminating half slot completely to ensure that the high-efficient diffusion of heat goes up the module, also can additionally fill the closely type that heat conduction cream promoted the laminating between heating rod and half slot.

The upper surface of lower module is provided with V type groove 8, and the tank bottom contained angle in this V type groove is 110 ~ 120, and the design in V type groove reduces the direct contact area between heating rod and the lower module to avoid the too much downward transmission of heat that the heating rod produced.

In order to realize the installation between the upper module and the lower module, threaded holes 9 are formed in two sides of the upper module, through holes 12 are formed in two sides of the lower module, the elastic piece is arranged between the upper module and the lower module, in order to realize the installation of the elastic piece, a notch 13 for accommodating the elastic piece is arranged in the threaded hole in the back of the upper module, the depth of the notch is smaller than the length of the elastic piece in a natural state, the elastic piece preferably selects a spring, a bolt 10 sequentially penetrates through the through holes of the lower module when the elastic piece is assembled, the spring is screwed into the threaded hole of the upper module, the upper module and the lower module cannot be screwed tightly when the elastic piece is assembled, a certain spring action gap needs to be reserved, and therefore when the upper module is pressed down, the spring can play a certain supporting role.

In order to ensure the heat-conducting property, the upper module is made of copper material with good heat-conducting effect, and the lower module is made of high-temperature-resistant material.

The technical contents and features of the present invention have been disclosed as above, however, those skilled in the art can still make various substitutions and modifications based on the teaching and disclosure of the present invention without departing from the spirit of the present invention, therefore, the protection scope of the present invention should not be limited to the contents disclosed in the embodiments, but should include various substitutions and modifications without departing from the present invention, and should be covered by the claims of the present patent application.

Claims (5)

1. The utility model provides a test fixture is with elastic heating module which characterized in that: including last module, lower module, a plurality of elastic component and heating rod, the upper surface of going up the module is equipped with bellied test surface, and the lower surface has the semicircular groove of placing the heating rod, and this semicircular groove's diameter is unanimous with the heating rod diameter, the lower module upper surface has V type groove, goes up the module and closes with the lower module, and a plurality of elastic components are located between module and the lower module, semicircular groove and V type inslot are arranged in to the heating rod.

2. The elastic heating module for a test fixture according to claim 1, wherein: and notches for accommodating the elastic piece are arranged on two sides of the semicircular groove of the upper module, and the depth of each notch is smaller than the length of the elastic piece in a natural state.

3. The elastic heating module for a test fixture according to claim 1, wherein: the upper module is made of copper materials.

4. The elastic heating module for a test fixture according to claim 1, wherein: the included angle of the groove bottom of the V-shaped groove is 110-120 degrees.

5. The elastic heating module for a test fixture according to claim 1, wherein: the elastic piece is a spring.

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