Fluorine-adding double-meter valve with meter head capable of being quickly disassembled and assembled

Abstract

The utility model discloses a fluorination double gauge valve with gauge heads capable of being disassembled and assembled quickly, which comprises a double gauge valve main body, pressure gauges, first connectors, second connectors and a movable sleeve, the two first connectors are arranged at the upper end of the double gauge valve main body, each first connector corresponds to one pressure gauge, the second connectors matched with the first connectors are arranged on the pressure gauges, and the movable sleeve is arranged on the double gauge valve main body. A first communicating hole is formed in the first connector, a second communicating hole is formed in the second connector, a part of the second connector is inserted into the first communicating hole, an annular mounting groove is formed in the inner wall of the first communicating hole, and a first sealing ring is embedded in the annular mounting groove. According to the utility model, the movable sleeve, the steel ball and the limiting groove are matched with one another, so that the pressure gauge can be conveniently mounted and dismounted, the replacement speed of the pressure gauge is improved, and meanwhile, the situation that the fluorine-adding double-gauge valve is discarded due to the fact that the pressure gauge cannot be dismounted can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to the technical field of double-meter valves. Background Art

[0002] At present, when the pressure gauge of the air conditioner fluorine double-gauge valve is inaccurate or damaged during use, some gauge heads cannot be repaired or cannot be repaired well, especially the gauge head and the double-gauge valve body are connected and fixed by adding glue on the thread. Therefore, it is troublesome and time-consuming to replace the gauge head, so the whole set of double-gauge valve is discarded, which is very wasteful. Therefore, it is necessary to develop a fluorine double-gauge valve that can quickly disassemble and assemble the gauge head. Summary of the invention

[0003] The utility model aims to solve the problems in the prior art and provides a fluorine-added double gauge valve with a gauge head that can be quickly disassembled, so that the pressure gauge can be quickly installed and disassembled.

[0004] To achieve the above-mentioned purpose, the utility model proposes a fluorine-filled double-gauge valve with a meter head that can be quickly disassembled and assembled, comprising a double-gauge valve body, a pressure gauge, a first connecting head, a second connecting head, and a movable sleeve, wherein the upper end of the double-gauge valve body is provided with two first connecting heads, each of which corresponds to a pressure gauge, and the pressure gauge is provided with a second connecting head that matches the first connecting head, a first connecting head is provided with a first communicating hole inside, a second connecting head is provided with a second communicating hole inside, a part of the second connecting head is inserted into the first communicating hole, a first abutting surface is provided inside the first connecting head, and a second abutting surface is provided outside the second connecting head, the first abutting surface abuts against the second abutting surface, and the second abutting surface is located above the first abutting surface, an annular mounting groove is provided on the inner wall of the first communicating hole, a first sealing ring is embedded in the annular mounting groove, the first sealing ring is in close contact with the inner wall of the annular mounting groove and the outer wall of the second connecting head, a plurality of side holes are provided on the side wall of the first communicating hole, the side holes are located on the same circumferential surface, each side hole corresponds to a steel ball, and the second connecting A circle of limiting grooves is provided on the outer wall of the head, a part of the steel ball is located in the corresponding side hole and a part of the steel ball is located in the limiting groove, the limiting groove is adapted to the steel ball, a limiting wall is provided at the inner wall end of the side hole close to the first communicating hole, the outer side of the first connecting head is sleeved with a movable sleeve, a convex ring is provided on the inner wall of the movable sleeve, a third abutting surface is provided on the outer side of the first connecting head, the third abutting surface is located below the convex ring, a spring which is always in a compressed state is sandwiched between the lower end surface of the convex ring and the third abutting surface, the spring sleeve is outside the first connecting head, the inner wall of the convex ring abuts the steel ball, an annular embedding groove is provided on the outer wall of the first connecting head, the annular embedding groove is located above the limiting groove and the annular mounting groove, a snap ring is embedded in the annular embedding groove, a part of the snap ring is located outside the annular embedding groove, the snap ring abuts against the upper end surface of the convex ring, the inner wall of the movable sleeve and the outer wall of the area where the side hole of the first connecting head is located are spaced less than the outer diameter of the steel ball, and the inner wall of the movable sleeve and the inner wall of the area where the side hole of the first connecting head are located are spaced greater than the outer diameter of the steel ball.

[0005] Preferably, the first connector is screwed onto the double-gauge valve by means of a threaded connection, and the first connector has an outer section in the shape of a regular hexagonal prism.

[0006] Preferably, the first connector consists of a first connector and a second connector, the first connector is located on the double-meter valve body, the second connector is screwed on the first connector, and the annular embedding groove, annular mounting groove, side hole, and third abutment surface are all arranged on the second connector.

[0007] Preferably, the second connector consists of a third connector and a fourth connector, the fourth connector is fixed on the pressure gauge, the fourth connector is screwed on the third connector, and the limiting groove is arranged on the third connector.

[0008] Preferably, the second connecting head includes a regular hexagonal prism segment, a portion of which is inserted into the first connecting hole, the first connecting hole includes an inner hexagonal hole adapted to the regular hexagonal prism segment, side holes are provided on the side walls of the inner hexagonal hole, a side hole is provided on each side wall of the inner hexagonal hole, and a limiting groove is provided on the regular hexagonal prism segment.

[0009] Preferably, the double-gauge valve body comprises two hand wheels, and the two hand wheels are installed on one side of the visual mirror of the double-gauge valve body or on both sides of the double-gauge valve body.

[0010] The beneficial effects of the utility model are as follows: the utility model makes it possible to conveniently install and disassemble the pressure gauge by matching the movable sleeve, the steel ball and the limit groove, thereby improving the replacement speed of the pressure gauge and also avoiding the situation in which the fluorine-filling double-gauge valve is discarded due to the inability to disassemble the pressure gauge; the setting of the hexagonal hole makes it possible to conveniently adjust the direction of the pressure gauge, thereby facilitating the reading of the pressure gauge.

[0011] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of the first embodiment of the fluorine-filling double meter valve with a meter head that can be quickly disassembled and assembled according to the utility model;

[0013] Figure 2 This is a front view of the second embodiment of the fluorine-adding double meter valve with a meter head that can be quickly disassembled and assembled according to the utility model;

[0014] Figure 3 This is a cross-sectional view of the first connector and the second connector of the first embodiment of the fluorine-filling double meter valve with a meter head that can be quickly disassembled and assembled according to the utility model;

[0015] Figure 4 This is a cross-sectional view of the first connector and the second connector of the second embodiment of the fluorine-filling double meter valve with a meter head that can be quickly disassembled and assembled according to the utility model;

[0016] Figure 5 It is a top view of the first connecting head and the second connecting head of the third embodiment of the fluorine-filling double meter valve with quickly detachable meter heads of the utility model.

[0017] In the figure: 1-double-gauge valve body, 2-pressure gauge, 3-first connector, 4-second connector, 5-movable sleeve, 31-annular mounting groove, 32-first sealing ring, 33-side hole, 34-steel ball, 35-annular embedded groove, 36-clamping ring, 37-first joint, 38-second joint, 39-hexagonal hole, 41-limiting groove, 42-third joint, 43-fourth joint, 45-regular hexagonal prism segment, 50-convex ring, 51-spring. DETAILED DESCRIPTION

[0018] Embodiment 1:

[0019] See also Figure 1 , Figure 3 The utility model provides a fluorine-filled double-gauge valve with a quick-disassembly gauge head, comprising a double-gauge valve body 1, a pressure gauge 2, a first connector 3, a second connector 4, and a movable sleeve 5. The upper end of the double-gauge valve body 1 is provided with two first connectors 3, each first connector 3 corresponds to a pressure gauge 2, and the pressure gauge 2 is provided with a second connector 4 matched with the first connector 3. The first connector 3 is provided with a first communicating hole inside, and the second connector 4 is provided with a second communicating hole inside. A part of the second connector 4 is inserted into the first communicating hole, and a first abutting surface is provided inside the first connector 3, and a second abutting surface is provided inside the second connector 4. A second abutting surface is provided on the outside of the connector 4, the first abutting surface abuts against the second abutting surface, and the second abutting surface is located above the first abutting surface. An annular mounting groove 31 is provided on the inner wall of the first communicating hole, and a first sealing ring 32 is embedded in the annular mounting groove 31. The first sealing ring 32 is in close contact with the inner wall of the annular mounting groove 31 and the outer wall of the second connector 4. A plurality of side holes 33 are provided on the side wall of the first communicating hole, and the side holes 33 are located on the same circumferential surface. Each side hole 33 corresponds to a steel ball 34. A circle of limiting grooves 41 is provided on the outer wall of the second connector 4, and the steel balls 34 are Part of it is located in the corresponding side hole 33 and part of it is located in the limiting groove 41. The limiting groove 41 is adapted to the steel ball 34. The inner wall end of the side hole 33 close to the first communicating hole is provided with a limiting wall against the steel ball 34. The outer part of the first connecting head 3 is sleeved with a movable sleeve 5, and a convex ring 50 is provided on the inner wall of the movable sleeve 5. A third abutting surface is provided on the outer part of the first connecting head 3, and the third abutting surface is located below the convex ring 50. A spring 51 which is always in a compressed state is sandwiched between the lower end surface of the convex ring 50 and the third abutting surface. The spring 51 is sleeved on the outer part of the first connecting head 3, and the convex ring 50 is provided on the inner wall of the movable sleeve 5. The inner wall abuts against the steel ball 34, and an annular embedding groove 35 is provided on the outer wall of the first connecting head 3, and the annular embedding groove 35 is located above the limiting groove 41 and the annular mounting groove 31. A snap ring 36 is embedded in the annular embedding groove 35, and a part of the snap ring 36 is located outside the annular embedding groove 35. The snap ring 36 abuts against the upper end surface of the convex ring 50, and the distance between the inner wall of the movable sleeve 5 and the outer wall of the area where the side hole 33 of the first connecting head 3 is located is smaller than the outer diameter of the steel ball 34, and the distance between the inner wall of the movable sleeve 5 and the inner wall of the area where the side hole 33 of the first connecting head 3 is located is greater than the outer diameter of the steel ball 34.

[0020] In order to facilitate the screwing of the first connector 3 , the first connector 3 is screwed onto the double-gauge valve by means of a threaded connection, and the first connector 3 has a section on the outside in the shape of a regular hexagonal prism.

[0021] The dual-meter valve body 1 includes two hand wheels, and the two hand wheels are installed on one side of the visual mirror of the dual-meter valve body 1.

[0022] Embodiment 2:

[0023] See also Figure 2 , Figure 4 The difference between this embodiment and the first embodiment is that the double-meter valve body 1 includes two hand wheels, and the two hand wheels are installed on both sides of the double-meter valve body 1.

[0024] At the same time, the first connecting head 3 is no longer an integrated structure, and the second connecting head 4 is no longer an integrated structure. The first connecting head 3 is composed of a first joint 37 and a second joint 38. The first joint 37 is located on the double-meter valve body 1, and the second joint 38 is screwed on the first joint 37. The annular embedding groove 35, the annular mounting groove 31, the side hole 33, and the third abutting surface are all arranged on the second joint 38.

[0025] The second connector 4 is composed of a third connector 42 and a fourth connector 43 . The fourth connector 43 is fixed on the pressure gauge 2 . The fourth connector 43 is screwed on the third connector 42 . The limiting groove 41 is provided on the third connector 42 .

[0026] Embodiment three:

[0027] See also Figure 5 On the basis of the first or second embodiment, the second connector 4 includes a regular hexagonal prism segment 45, a portion of which is inserted into the first connecting hole, the first connecting hole includes an inner hexagonal hole 39 adapted to the regular hexagonal prism segment 45, the side hole 33 is provided on the side wall of the inner hexagonal hole 39, each side wall of the inner hexagonal hole 39 is provided with a side hole 33, and the limiting groove 41 is provided on the regular hexagonal prism segment 45.

[0028] Working process of this utility model:

[0029] During the operation of the fluorine-filled double-gauge valve with quickly disassembled gauge heads of the utility model, the first connecting head 3 is screwed on the double-gauge valve body 1, and the movable sleeve 5 is pressed down until the convex ring 50 on the inner wall of the movable sleeve 5 moves to the bottom of the side hole 33, and then the second connecting head 4 on the pressure gauge 2 is inserted into the first connecting head 3 until the second abutting surface on the second connecting head 4 is abutted by the first abutting surface inside the first connecting head 3, at which time the limiting groove 41 on the second connecting head 4 is just aligned with the side hole 33 on the first connecting head 3, and then the movable sleeve 5 is released, and the movable sleeve 5 moves upward under the action of the spring, and the movable sleeve 5 pushes the steel ball 34 inward so that the steel ball 34 is embedded in the limiting groove 41, and the second connecting head 4 is connected to the first connecting head 3, and the second connecting head 4 cannot be pulled out.

[0030] When the solution in Example 3 is adopted, the first connecting head 3 can be rotated when the second connecting head 4 is not inserted so that an inner wall of the hexagonal hole 39 inside it is parallel to the visual mirror, and the second connecting head 4 is adjusted to a side wall of the regular hexagonal prism segment 45 is parallel to the front of the pressure gauge 2, and then the second connecting head 4 is inserted into the first connecting head 3, and the front of the pressure gauge 2 faces the side of the visual mirror of the dual-gauge valve body 1, and the pressure gauge 2 can be easily read.

[0031] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. The double fluorine meter valve with quick disassembly and assembly of meter head is characterized by: The invention comprises a double-gauge valve body (1), a pressure gauge (2), a first connecting head (3), a second connecting head (4), and a movable sleeve (5); the upper end of the double-gauge valve body (1) is provided with two first connecting heads (3), each first connecting head (3) corresponds to a pressure gauge (2); the pressure gauge (2) is provided with a second connecting head (4) matched with the first connecting head (3); the first connecting head (3) is provided with a first communicating hole inside, the second connecting head (4) is provided with a second communicating hole inside, a part of the second connecting head (4) is inserted into the first communicating hole, the first connecting head (3) is provided with a first abutting surface inside, and the second connecting head (4) is provided with a second abutting surface outside. The first abutting surface abuts against the second abutting surface, and the second abutting surface is located above the first abutting surface. An annular mounting groove (31) is provided on the inner wall of the first connecting hole, and a first sealing ring (32) is embedded in the annular mounting groove (31). The first sealing ring (32) is in close contact with the inner wall of the annular mounting groove (31) and the outer wall of the second connecting head (4). A plurality of side holes (33) are provided on the side wall of the first connecting hole. The side holes (33) are located on the same circumferential surface, and each side hole (33) corresponds to a steel ball (34). A circle of limiting grooves (41) is provided on the outer wall of the second connecting head (4), and a portion of the steel ball (34) is located in the corresponding side hole (33). The first connecting head (3) is provided with a movable sleeve (5) on the outside, a convex ring (50) is provided on the inner wall of the movable sleeve (5), and a third abutting surface is provided on the outside of the first connecting head (3), and the third abutting surface is located below the convex ring (50). A spring (51) which is always in a compressed state is sandwiched between the lower end surface of the convex ring (50) and the third abutting surface. The spring (51) is sleeved on the outside of the first connecting head (3), and the inner wall of the convex ring (50) abuts against the steel ball (34). An annular embedding groove (35) is provided on the outer wall of the first connector (3), the annular embedding groove (35) is located above the limiting groove (41) and the annular mounting groove (31), a snap ring (36) is embedded in the annular embedding groove (35), a portion of the snap ring (36) is located outside the annular embedding groove (35), the snap ring (36) abuts against the upper end surface of the convex ring (50), the inner wall of the movable sleeve (5) and the outer wall of the area where the side hole (33) of the first connector (3) is located are smaller than the outer diameter of the steel ball (34), and the inner wall of the movable sleeve (5) and the inner wall of the area where the side hole (33) of the first connector (3) is located are larger than the outer diameter of the steel ball (34).

2. The fluorine-adding double meter valve with quick disassembly and assembly of meter heads as claimed in claim 1, characterized in that: The first connection head (3) is screwed onto the double-gauge valve by means of a threaded connection, and the first connection head (3) has an outer section in the shape of a regular hexagonal prism.

3. The fluorine-adding double meter valve with a quick-disassembly meter head as claimed in claim 1 or 2, characterized in that: The first connector (3) is composed of a first connector (37) and a second connector (38); the first connector (37) is located on the dual-meter valve body (1); the second connector (38) is screwed onto the first connector (37); and the annular embedding groove (35), the annular mounting groove (31), the side hole (33), and the third abutting surface are all arranged on the second connector (38).

4. The fluorine-adding double meter valve with quick disassembly and assembly of meter heads as claimed in claim 1, characterized in that: The second connector (4) is composed of a third connector (42) and a fourth connector (43), the fourth connector (43) is fixed to the pressure gauge (2), the fourth connector (43) is screwed onto the third connector (42), and the limiting groove (41) is provided on the third connector (42).

5. The fluorine-adding double meter valve with quick disassembly and assembly of meter heads as claimed in claim 1, characterized in that: The second connector (4) comprises a regular hexagonal prism section (45), a portion of which is inserted into the first communicating hole, the first communicating hole comprising an inner hexagonal hole (39) adapted to the regular hexagonal prism section (45), the side hole (33) being formed on the side wall of the inner hexagonal hole (39), each side wall of the inner hexagonal hole (39) being provided with a side hole (33), and the limiting groove (41) being formed on the regular hexagonal prism section (45).

6. The fluorine-adding double meter valve with quick disassembly and assembly of meter heads as claimed in claim 1, characterized in that: The double gauge valve body (1) comprises two hand wheels, and the two hand wheels are installed on one side of the visual mirror of the double gauge valve body (1) or on both sides of the double gauge valve body (1).

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