Pneumatic adjusting device of thermal system

Abstract

The utility model belongs to the technical field of tire manufacturing, and particularly relates to a pneumatic adjusting device of a thermal system, which comprises a valve cover, and the top of the valve cover is communicated and fixed with a connecting pipe. The second gasket is installed at the bottom of the valve rod, the thread is arranged at the bottom of the valve rod, the valve rod and the nut are fastened together through the second gasket, the assembled valve rod penetrates through the bottom of the valve seat, the second gasket makes sealing contact with the valve seat and is fixed through the threaded connecting device, and the valve seat is connected with the connecting piece through the thread. An adjusting spring is installed at the upper end of a connecting piece, a sealing gland provided with a Glyd ring is placed on a valve rod, the valve rod is connected and fastened through a bolt, the valve cover is connected with the connecting piece through threads, and assembling is completed through the steps that a valve seat is provided with longitudinal threaded holes and distributed at the bottom of the valve seat, and the bottom of the valve seat is provided with a sealing groove. And the sealing gasket can be connected with the thermotechnical system valve body through screws, so that the installation is simple, the space is saved, and the use of flange sheets is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tire manufacturing, in particular to a pneumatic regulating device for a thermal system. Background Art

[0002] In tire manufacturing companies, the equipment used involves the use of steam, air, cooling water and other fluids, all of which are controlled by shut-off valves. Traditional shut-off valves, such as steam pipeline controls, are often installed in the trench of the vulcanizer. When an abnormality occurs, it is difficult to repair or replace due to the limitation of the overall space. At the same time, the use of packing seals is prone to air leakage, resulting in a short service life. At the same time, traditional shut-off valves require flange connections, occupy a large space, and are time-consuming and labor-intensive to install. Therefore, we proposed a pneumatic regulating device for thermal systems to solve the above problems. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the deficiencies in the prior art, the utility model provides a pneumatic regulating device for a thermal system, which solves the problems raised in the above-mentioned background technology.

[0005] (II) Technical solution

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A pneumatic regulating device for a thermal system comprises a valve cover, the top of the valve cover is connected to and fixed with a connecting pipe, a Gley ring is arranged inside the valve cover, a connecting piece is threadedly connected to the bottom of the valve cover, a valve stem is arranged on the connecting piece, a valve seat is threadedly connected to the bottom of the connecting piece, the bottom end of the valve stem extends into the valve seat, a threaded connecting device is arranged in the valve seat, the valve stem is in movable contact with the valve seat via the threaded connecting device, a first gasket is arranged between the valve seat and the valve stem, a second gasket is arranged at the bottom of the valve stem, the valve stem is sealedly connected to the threaded connecting device via the second gasket, an adjusting spring is arranged above the connecting piece, a sealing gland is arranged on the top of the adjusting spring, and a third gasket is arranged on the threaded connecting device.

[0008] Furthermore, the sealing gland is provided with a Gly ring, and the outer side of the Gly ring is sealed and connected to the inner wall of the valve cover.

[0009] Furthermore, a first internal thread is formed at the top end of the valve stem, a bolt is threadedly connected to the first internal thread, and the sealing gland is threadedly connected to the valve stem via the bolt.

[0010] Furthermore, a second internal thread is provided on the inner wall of the valve cover, an external thread is provided on the connecting piece, and the valve cover is threadably connected with the external thread on the connecting piece via the second internal thread.

[0011] Furthermore, two longitudinal threaded holes are provided on the valve seat, a sealing groove is provided at the bottom of the valve seat, and a sealing gasket is provided in the sealing groove.

[0012] Furthermore, an exhaust hole is provided on the connecting member, and a supporting member is provided on the bottom inner wall of the valve seat.

[0013] Furthermore, the threaded connection device comprises a screw and a nut, the bottom end of the valve stem is provided with a screw, a nut is threadedly connected to the screw, and the nut is in movably contact with the second washer.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a pneumatic regulating device for a thermal system, which has the following beneficial effects:

[0016] The utility model, by installing the second gasket at the bottom of the valve stem, the bottom of the valve stem is provided with a thread, and is fastened together by the second gasket and the nut, the assembled valve stem passes through the bottom of the valve seat, the second gasket is in sealing contact with the valve seat, and is fixed by a threaded connection device, the valve seat and the connecting piece are connected by threads, the adjusting spring is installed on the upper end of the connecting piece, and then the sealing gland equipped with the Gly ring is placed on the valve stem, the valve stem is connected and fastened by bolts, the valve cover and the connecting piece are connected by threads, and the assembly is completed through the above steps, the valve seat is provided with longitudinal threaded holes distributed at the bottom of the valve seat, the bottom of the valve seat is provided with a sealing groove, the sealing gasket can be installed to connect it to the valve body of the thermal system by screws, the installation is simple, space is saved, the use of flanges is reduced, thereby improving the sealing effect, reducing the use of driving medium, convenient maintenance, and small installation space. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a cross-sectional schematic diagram of the utility model;

[0018] Figure 2 It is a left side schematic diagram of the utility model;

[0019] Figure 3 This is a bottom-up schematic diagram of the utility model;

[0020] Figure 4 It is a schematic diagram of the sealing gasket of the utility model.

[0021] In the figure: 1. connecting pipe; 2. valve cover; 3. Gly ring; 4. adjusting spring; 5. connecting piece; 6. valve stem; 7. first gasket; 8. valve seat; 9. second gasket; 10. nut; 11. screw; 12. threaded connection device; 13. third gasket; 14. supporting piece; 15. sealing cover; 16. bolt; 17. longitudinal threaded hole; 18. sealing gasket. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] like Figure 1-4 As shown, a pneumatic regulating device for a thermal system proposed in an embodiment of the utility model comprises a valve cover 2, the top of the valve cover 2 is connected to and fixed with a connecting pipe 1, a Gley ring 3 is arranged inside the valve cover 2, a connecting piece 5 is threadedly connected to the bottom of the valve cover 2, a valve stem 6 is arranged on the connecting piece 5, a valve seat 8 is threadedly connected to the bottom of the connecting piece 5, the bottom end of the valve stem 6 extends into the valve seat 8, a threaded connecting device 12 is arranged in the valve seat 8, the valve stem 6 is in active contact with the valve seat 8 through the threaded connecting device 12, a first gasket 7 is arranged between the valve seat 8 and the valve stem 6, a second gasket 9 is arranged at the bottom of the valve stem 6, the valve stem 6 is sealed and connected to the threaded connecting device 12 through the second gasket 9, an adjusting spring 4 is arranged above the connecting piece 5, a sealing gland 15 is arranged on the top of the adjusting spring 4, a third gasket 13 is arranged on the threaded connecting device 12, the second gasket 9 is installed at the bottom of the valve stem 6, and a threaded connecting device 12 is arranged at the bottom of the valve stem 6 The valve stem 6 is passed through the bottom of the valve seat 8, and the second gasket 9 is in sealing contact with the valve seat 8 and fixed by a threaded connection device 12. The valve seat 8 and the connecting piece 5 are connected by threads, and the adjusting spring 4 is installed on the upper end of the connecting piece 5, and then the sealing gland 15 equipped with the Gly ring 3 is placed on the valve stem 6. The valve stem 6 is connected and fastened by bolts 16, and the valve cover 2 is connected to the connecting piece 5 by threads. The assembly is completed through the above steps. The valve seat 8 is provided with longitudinal threaded holes 17, which are distributed at the bottom of the valve seat 8. The bottom of the valve seat 8 is provided with a sealing groove. The sealing gasket 18 can be installed to connect it to the valve body of the thermal system by screws. The installation is simple, space-saving, and the use of flanges is reduced, thereby improving the sealing effect, reducing the use of driving media, and convenient maintenance. Small installation space is used.

[0025] like Figure 1 As shown, in some embodiments, a Gly ring 3 is provided on the sealing gland 15, and the outer side of the Gly ring 3 is sealedly connected to the inner wall of the valve cover 2, and the Gly ring 3 plays a sealing role.

[0026] like Figure 1As shown, in some embodiments, a first internal thread is provided at the top end of the valve stem 6, the first internal thread is threadedly connected with a bolt 16, the sealing cover 15 is threadedly connected to the valve stem 6 through the bolt 16, a second internal thread is provided on the inner wall of the valve cover 2, an external thread is provided on the connecting member 5, the valve cover 2 is threadedly connected to the external thread on the connecting member 5 through the second internal thread, and the setting of the connecting member 5 plays a connecting role.

[0027] like Figure 3 As shown, in some embodiments, two longitudinal threaded holes 17 are provided on the valve seat 8, a sealing groove is provided at the bottom of the valve seat 8, a sealing gasket 18 is provided in the sealing groove, and the provision of the sealing gasket 18 improves the sealing effect.

[0028] like Figure 1 As shown, in some embodiments, a vent hole is provided on the connecting member 5, and a support member 14 is provided on the bottom inner wall of the valve seat 8. The setting of the support member 14 plays a supporting role.

[0029] like Figure 1 As shown, in some embodiments, the threaded connection device 12 includes a screw 11 and a nut 10. The bottom end of the valve stem 6 is provided with a screw 11, and the nut 10 is threadedly connected to the screw 11. The nut 10 is in movable contact with the second washer 9. The setting of the screw 11 facilitates the quick fixation of the second washer 9.

[0030] Working principle or structural principle, when in use, the second gasket 9 is installed at the bottom of the valve stem 6, the bottom of the valve stem 6 is provided with a thread, and is fastened together by the second gasket 9 and the nut 10, and the assembled valve stem 6 passes through the bottom of the valve seat 8, the second gasket 9 is in sealing contact with the valve seat 8, and is fixed by a threaded connection device 12, the valve seat 8 and the connecting piece 5 are connected by threads, and the adjusting spring 4 is installed on the upper end of the connecting piece 5, and then the sealing gland 15 equipped with the Gley ring 3 is placed on the valve stem 6, the valve stem 6 is connected and fastened by bolts 16, and the valve cover 2 is connected to the connecting piece 5 by threads, and the assembly is completed through the above steps, the valve seat 8 is provided with longitudinal threaded holes 17, which are distributed at the bottom of the valve seat 8, and the bottom of the valve seat 8 is provided with a sealing groove, and the sealing gasket 18 can be installed to connect it to the valve body of the thermal system by screws, which is simple to install, saves space, reduces the use of flanges, thereby improving the sealing effect, reducing the use of driving media, convenient maintenance, and small installation space.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A pneumatic regulating device for a thermal system, comprising a valve cover (2), characterized in that: The top of the valve cover (2) is connected to and fixed with a connecting pipe (1), the valve cover (2) is provided with a Gly ring (3), the bottom of the valve cover (2) is threadedly connected with a connecting piece (5), the connecting piece (5) is provided with a valve stem (6), the bottom of the connecting piece (5) is threadedly connected with a valve seat (8), the bottom end of the valve stem (6) extends into the valve seat (8), the valve seat (8) is provided with a threaded connecting device (12), the valve stem (6) is connected to the valve seat (8) through the threaded connecting device (12), and the valve stem (6) is connected to the valve seat (8) through the threaded connecting device (12). 12) is in active contact with the valve seat (8), a first gasket (7) is provided between the valve seat (8) and the valve stem (6), a second gasket (9) is provided at the bottom of the valve stem (6), the valve stem (6) is sealed with the threaded connection device (12) through the second gasket (9), an adjusting spring (4) is provided above the connecting piece (5), a sealing gland (15) is provided on the top of the adjusting spring (4), and a third gasket (13) is provided on the threaded connection device (12).

2. A pneumatic regulating device for a thermal system according to claim 1, characterized in that: The sealing gland (15) is provided with a Gly ring (3), and the outer side of the Gly ring (3) is sealedly connected to the inner wall of the valve cover (2).

3. The pneumatic regulating device for a thermal system according to claim 1, characterized in that: The top end of the valve stem (6) is provided with a first internal thread, the first internal thread is threadedly connected with a bolt (16), and the sealing gland (15) is threadedly connected to the valve stem (6) via the bolt (16).

4. The pneumatic regulating device for a thermal system according to claim 1, characterized in that: The inner wall of the valve cover (2) is provided with a second internal thread, the connecting piece (5) is provided with an external thread, and the valve cover (2) is threadedly connected to the external thread on the connecting piece (5) via the second internal thread.

5. The pneumatic regulating device for a thermal system according to claim 1, characterized in that: The valve seat (8) is provided with two longitudinal threaded holes (17), the bottom of the valve seat (8) is provided with a sealing groove, and a sealing gasket (18) is provided in the sealing groove.

6. The pneumatic regulating device for a thermal system according to claim 1, characterized in that: The connecting member (5) is provided with an exhaust hole, and the bottom inner wall of the valve seat (8) is provided with a supporting member (14).

7. The pneumatic regulating device for a thermal system according to claim 1, characterized in that: The threaded connection device (12) comprises a screw (11) and a nut (10). The bottom end of the valve stem (6) is provided with a screw (11). The screw (11) is threadedly connected with a nut (10). The nut (10) is in active contact with the second gasket (9).

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