Water drain valve of through-wall machine

Abstract

The utility model relates to a water drain valve of a through-wall machine, a one-way valve is arranged in a nozzle, the one-way valve comprises a shell, the shell comprises a first split body and a second split body, the inner diameter of the first split body is smaller than that of the second split body, and the inner wall of the first split body and the inner wall of the second split body pass through the one-way valve in a smooth transition mode. The water flow from the external water pipe to the nozzle is unidirectionally controlled, excessive water flow is prevented from entering the contact surface of the abrasive disc, the defect of motor short circuit caused by excessive water drainage of a traditional waterproof pipeline is effectively overcome, and when the limiting plug is far away from the nozzle, the inner cavity of the first split body is communicated with the inner cavity of the second split body, and the water flow enters the contact surface of the abrasive disc. When the limiting plug is close to the nozzle, the inner cavity of the first split body and the inner cavity of the second split body are not communicated, and water flow cannot enter the contact face of the abrasive disc. And the water quantity is controlled, so that the defect of short circuit of the motor caused by excessive water drainage of a traditional waterproof pipeline is overcome. According to the utility model, the defect of motor short circuit caused by excessive water drainage of the traditional waterproof pipeline is overcome.

Description

Technical Field

[0001] The utility model relates to the field of integrated air-conditioning equipment, in particular to a drain valve for a through-the-wall machine. Background Art

[0002] With the improvement of residents' consumption level, more and more home decoration adopts the electrical installation scheme of internal wiring. One of the more widely used environments is the installation of air conditioning pipes. In the process of drilling holes and channels through the wall, the grinding disc of the wall-penetrating machine rubs violently with the wall, and the mechanical energy is converted into internal energy and accumulated on the contact surface between the grinding disc and the wall. These high-temperature internal energies will reduce the service life of the grinding disc and soften the grinding disc. The efficiency of softened grinding discs through the wall will be reduced. In the existing technology, water pipes are often added at the contact surface of the grinding disc to reduce the temperature of the grinding disc. However, the driving device of the grinding disc is mostly a motor. In order to increase heat dissipation, these motors will open holes. Excessive cooling water mixed with mud and sand will increase the mixture entering the motor, thereby increasing the risk of motor short circuit. For this reason, it is necessary to propose a drain valve for a wall-penetrating machine to address the defect of traditional waterproof pipelines that cause motor short circuit due to excessive water discharge. Utility Model Content

[0003] Based on this, it is necessary to propose a water drain valve for a through-the-wall machine to address the defect of traditional waterproof pipelines that excessive water discharge may cause a motor short circuit.

[0004] The utility model provides a water drain valve for a wall penetration machine, comprising:

[0005] A nozzle, wherein a one-way valve is provided in the nozzle, wherein the one-way valve comprises a housing, wherein the housing comprises a first body and a second body, wherein the first body is fixedly connected to the second body, and the first body and the second body are in communication with each other, wherein the first body is in communication with the nozzle, wherein the inner diameter of the first body is smaller than the inner diameter of the second body, and wherein the inner wall of the first body and the inner wall of the second body are in smooth transition;

[0006] A limit plug is provided at the connection between the inner wall of the first split body and the inner wall of the second split body, and the limit plug is provided with a plurality of load-bearing teeth, and the plurality of load-bearing teeth are arranged circumferentially with equal central angles; the second split body is provided with a long hole, and the plurality of load-bearing teeth are arranged inside the long hole; the second split body is connected to a water pipe outside, and a return spring is provided between the limit plug and the water pipe; the outer wall of the shell is wrapped with a mounting shell, and a driving mechanism is provided inside the mounting shell, and the driving mechanism is engaged with at least one of the load-bearing teeth.

[0007] Preferably, the equivalent radius of the elongated hole on a side close to the nozzle is larger than the equivalent radius of the elongated hole on a side away from the nozzle.

[0008] Preferably, the limit stopper is further hinged with a connecting rod, and one end of the connecting rod away from the limit stopper is fixedly connected to each of the load-bearing teeth.

[0009] Preferably, the middle portion of the connecting rod is hinged to the elongated hole, and the elongated hole is provided with a sealing rubber.

[0010] Preferably, the driving mechanism comprises a driving motor and a gear set, the gear set is hinged to the motor, and the gear set is hinged to the load-bearing gear.

[0011] Preferably, the gear set includes a first transmission gear, and the first transmission gear is fixedly connected to the power shaft of the drive motor.

[0012] Preferably, the gear set further comprises a reduction gear and a second transmission gear, wherein the reduction gear is meshed with the first transmission gear, and the second transmission gear is meshed with the reduction gear.

[0013] Preferably, the gear set further comprises a connecting gear, and the connecting gear is coaxial with the second transmission gear.

[0014] Preferably, the connecting gear and the second transmission gear have the same diameter, and the connecting gear is meshed with the load-bearing gear.

[0015] Preferably, the connecting gear is provided with a plurality of connecting teeth, each of the connecting teeth is arranged in a circle with equal central angles, and the central angle between the connecting teeth at the head end and the connecting teeth at the tail end is less than 60 degrees and greater than 30 degrees.

[0016] Technical advantages of this utility model:

[0017] First, the one-way valve is used to unidirectionally control the water flow from the external water pipe to the nozzle to prevent excessive water flow from entering the contact surface of the grinding disc. This effectively solves the defect of traditional waterproof pipes that excessive water discharge causes motor short circuit. The one-way valve is provided with a limit plug. When the limit plug is away from the nozzle, the inner cavity of the first split body and the inner cavity of the second split body are connected, and the water flows into the contact surface of the grinding disc. When the limit plug is close to the nozzle, the inner cavity of the first split body and the inner cavity of the second split body are not connected, and the water cannot enter the contact surface of the grinding disc. The water volume is controlled, thereby solving the defect of traditional waterproof pipes that excessive water discharge causes motor short circuit.

[0018] At the same time, the stopper is equipped with multiple load-bearing teeth. It is worth mentioning that the stopper does not use a complete gear, but uses partial teeth to ensure that the stopper periodically moves away from the nozzle and periodically approaches the nozzle. This effectively controls the water volume, thereby solving the defect of traditional waterproof pipelines that excessive water discharge causes motor short circuit;

[0019] Moreover, since the second split body is provided with a long hole, in order to ensure the outflow of cooling water of the second split body, the equivalent radius of the long hole close to the nozzle is greater than the equivalent radius of the long hole away from the nozzle, the stop plug is also hinged with a connecting rod, one end of the connecting rod away from the stop plug is fixedly connected to each load-bearing meshing tooth, and the long hole is provided with a sealing rubber;

[0020] Thirdly, the gear set further reduces the output speed of the low-speed drive motor, ensuring the slow and low-speed rotation of the load-bearing meshing teeth, thereby achieving the periodic distance and approach of the limit plug to the nozzle. This effectively controls the water volume, thereby solving the defect of the traditional waterproof pipeline that excessive water discharge causes a short circuit in the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of the present invention are used to provide a further understanding of the present invention, so that other features, purposes and advantages of the present invention become more obvious. The drawings and descriptions of the exemplary embodiments of the present invention are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0022] Figure 1 The present invention is a schematic structural diagram of a water drain valve for a wall penetration machine provided in one embodiment of the present invention.

[0023] Figure 2 A schematic structural diagram of a drain valve connecting rod of a wall penetration machine provided in one embodiment of the utility model.

[0024] Figure 3 The present invention is a schematic structural diagram of a water drain valve for a wall penetration machine provided in yet another embodiment of the present invention.

[0025] Figure 4 A three-dimensional diagram of a drain valve for a wall penetration machine provided in yet another embodiment of the utility model.

[0026] Figure 5 The present invention is a schematic structural diagram of a water drain valve for a wall penetration machine provided in yet another embodiment of the present invention.

[0027] Figure 6 A three-dimensional diagram of a drain valve for a wall penetration machine provided in yet another embodiment of the utility model.

[0028] Figure 7 A three-dimensional diagram of a drain valve for a wall penetration machine provided in yet another embodiment of the utility model.

[0029] Figure 8 The present invention is a three-dimensional overall view of a drain valve and a wall penetration machine provided in yet another embodiment of the present invention.

[0030] Fig. 9 The present invention is a schematic structural diagram of a drain valve and a water receiving tray provided in yet another embodiment of the present invention.

[0031] Reference numerals:

[0032] Nozzle 1; one-way valve 2; housing 21; first sub-body 211; second sub-body 212; stopper 22; load-bearing meshing teeth 221; long hole 23; return spring 24; connecting rod 25; sealing rubber 26; mounting shell 3; drive mechanism 4; drive motor 41; gear set 42; first transmission gear 421; reduction gear 422; second transmission gear 423; connecting gear 424; connecting meshing teeth 4241. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0034] The utility model provides a water drain valve for a wall penetration machine.

[0035] like Figures 1 to 9 As shown, in one embodiment of the present utility model,

[0036] A water drain valve for a through-wall machine, comprising:

[0037] The nozzle 1 is provided with a one-way valve 2, and the one-way valve 2 includes a housing 21, and the housing 21 includes a first split body 211 and a second split body 212, the first split body 211 is fixedly connected to the second split body 212, and the first split body 211 and the second split body 212 are mutually conductive, the first split body 211 is conductive to the nozzle 1, the inner diameter of the first split body 211 is smaller than the inner diameter of the second split body 212, the inner wall of the first split body 211 and the inner wall of the second split body 212 are smoothly transitioned, and the inner wall of the first split body 211 and the second split body 212 are connected. A limit plug 22 is provided at the inner wall connection of the split body 212, and the limit plug 22 is provided with a plurality of load-bearing teeth 221, and the plurality of load-bearing teeth 221 are arranged circumferentially with equal central angles. The second split body 212 is provided with a long hole 23, and the plurality of load-bearing teeth 221 are arranged inside the long hole 23. The second split body 212 is externally connected to a water pipe, and a return spring 24 is provided between the limit plug 22 and the water pipe. The outer wall of the shell body 21 is wrapped with a mounting shell 3, and a driving mechanism 4 is provided inside the mounting shell 3, and the driving mechanism 4 is engaged with at least one of the load-bearing teeth 221.

[0038] The present embodiment relates to a drain valve for a through-wall machine. Through the one-way valve 2, the water flow from the external water pipe to the nozzle 1 is unidirectionally controlled to prevent excessive water flow from entering the contact surface of the grinding disc, which effectively solves the defect of the traditional waterproof pipeline that excessive water discharge causes a short circuit of the motor. The one-way valve 2 is provided with a stopper 22. When the stopper 22 is away from the nozzle 1, the inner cavity of the first split body 211 and the inner cavity of the second split body 212 are connected, and the water flow enters the contact surface of the grinding disc. When the stopper 22 is close to the nozzle 1, the inner cavity of the first split body 211 and the inner cavity of the second split body 212 are not connected, and the water flow cannot enter the contact surface of the grinding disc. The water volume is controlled, thereby solving the defect of the traditional waterproof pipeline that excessive water discharge causes a short circuit of the motor. The stopper 22 is provided with a plurality of load-bearing teeth 221. It is worth mentioning that the stopper 22 does not use a complete gear, but uses partial teeth to ensure that the stopper 22 periodically moves away from the nozzle 1 and the stopper 22 periodically approaches the nozzle 1. This effectively controls the amount of water, thereby solving the defect of traditional waterproof pipes that excessive water release can cause motor short circuit.

[0039] like Figures 1 to 5 As shown, in one embodiment of the utility model, the equivalent radius of the elongated hole 23 close to the nozzle 1 is larger than the equivalent radius of the elongated hole 23 away from the nozzle 1. The stopper 22 is also hinged with a connecting rod 25, and one end of the connecting rod 25 away from the stopper 22 is fixedly connected to each of the load-bearing teeth 221. The middle part of the connecting rod 25 is hinged to the elongated hole 23, and the elongated hole 23 is provided with a sealing rubber 26.

[0040] The present embodiment relates to a drain valve for a through-the-wall machine. Since the second body 212 is provided with a long hole 23, in order to ensure the outflow of cooling water from the second body 212, the equivalent radius of the long hole 23 close to the nozzle 1 is greater than the equivalent radius of the long hole 23 away from the nozzle 1, the stopper 22 is also hinged with a connecting rod 25, one end of the connecting rod 25 away from the stopper 22 is fixedly connected to each load-bearing meshing tooth 221, and the long hole 23 is provided with a sealing rubber 26.

[0041] like Figures 1 to 7As shown, in one embodiment of the utility model, the driving mechanism 4 includes a driving motor 41 and a gear set 42, wherein the gear set 42 is hinged to the motor, and the gear set 42 is hinged to the load-bearing gear. The gear set 42 includes a first transmission gear 421, and the first transmission gear 421 is fixedly connected to the power shaft of the motor. The gear set 42 also includes a reduction gear 422 and a second transmission gear 423, wherein the reduction gear 422 is meshed with the first transmission gear 421, and the second transmission gear 423 is meshed with the reduction gear 422. The gear set 42 also includes a connecting gear 424, which is coaxial with the second transmission gear 423. The connecting gear 424 has the same diameter as the second transmission gear 423, and the connecting gear 424 is meshed with the load-bearing meshing teeth 221. The connecting gear 424 is provided with a plurality of connecting teeth 4241 , each of the connecting teeth 4241 is arranged in a circle with the same central angle, and the central angle between the connecting teeth 4241 at the head end and the connecting teeth 4241 at the end end is less than 60 degrees and greater than 30 degrees.

[0042] The present embodiment relates to a drain valve for a wall penetration machine. The gear set 42 further reduces the output speed of the low-speed driving motor 41, ensuring that the load-bearing teeth 221 rotate slowly at low speed, thereby realizing that the limit plug 22 periodically moves away from the nozzle 1 and the limit plug 22 periodically approaches the nozzle 1. This effectively controls the amount of water, thereby solving the defect of the traditional waterproof pipeline that excessive water discharge causes a motor short circuit. The connecting gear 424 is coaxial with the second transmission gear 423, and the connecting gear 424 has the same diameter as the second transmission gear 423, and the connecting gear 424 is provided with a plurality of connecting teeth 4241, each of which is arranged on a circle with equal central angles, and the central angle between the connecting teeth 4241 at the head end and the connecting teeth 4241 at the end is less than 60 degrees and greater than 30 degrees, ensuring that the load-bearing teeth 221 rotate slowly at low speed, thereby realizing that the limit plug 22 periodically moves away from the nozzle 1 and the limit plug 22 periodically approaches the nozzle 1. This effectively controls the amount of water, thereby solving the defect of traditional waterproof pipes that excessive water release can cause motor short circuit.

[0043] like Figure 8-9 As shown, it is a schematic diagram of the structure of the utility model patent in the wall-penetrating machine. The drain valve of the wall-penetrating machine is located at the lower part of the wall-penetrating machine and in the water receiving tray to discharge the excess water inside the wall-penetrating machine.

[0044] The technical features of the above-described embodiments may be arbitrarily combined, and the execution order of the method steps is not limited. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0045] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the attached claims.

Claims

1. A drain valve for a wall penetration machine, characterized in that: include: A nozzle (1), wherein a one-way valve (2) is arranged inside the nozzle (1), wherein the one-way valve (2) comprises a shell (21), wherein the shell (21) comprises a first sub-body (211) and a second sub-body (212), wherein the first sub-body (211) and the second sub-body (212) are fixedly connected, and the first sub-body (211) and the second sub-body (212) are in communication with each other, and the first sub-body (211) and the nozzle (1) are in communication, wherein the inner diameter of the first sub-body (211) is smaller than the inner diameter of the second sub-body (212), and the inner wall of the first sub-body (211) and the inner wall of the second sub-body (212) are in smooth transition; A limit stopper (22) is provided at the connection between the inner wall of the first sub-body (211) and the inner wall of the second sub-body (212), and the limit stopper (22) is provided with a plurality of load-bearing teeth (221), and the plurality of load-bearing teeth (221) are arranged in a circle with equal central angles; the second sub-body (212) is provided with a long hole (23), and the plurality of load-bearing teeth (221) are arranged inside the long hole (23); the second sub-body (212) is externally connected to a water pipe, and a return spring (24) is provided between the limit stopper (22) and the water pipe; the outer wall of the shell (21) is wrapped with a mounting shell (3), and a driving mechanism (4) is provided inside the mounting shell (3), and the driving mechanism (4) is meshed with at least one of the load-bearing teeth (221).

2. The drain valve for a wall penetration machine according to claim 1, characterized in that: The equivalent radius of the side of the elongated hole (23) close to the nozzle (1) is greater than the equivalent radius of the side of the elongated hole (23) far from the nozzle (1).

3. The drain valve for a wall penetration machine according to claim 2, characterized in that: The stopper (22) is also hinged with a connecting rod (25), and one end of the connecting rod (25) away from the stopper (22) is fixedly connected to each of the load-bearing teeth (221).

4. The drain valve for a wall penetration machine according to claim 3, characterized in that: The middle part of the connecting rod (25) is hinged to the elongated hole (23), and the elongated hole (23) is provided with a sealing rubber (26).

5. The drain valve for a wall penetration machine according to claim 1, characterized in that: The driving mechanism (4) comprises a driving motor (41) and a gear set (42); the gear set (42) is hinged to the motor, and the gear set (42) is hinged to the load-bearing gear.

6. The drain valve for a wall penetration machine according to claim 5, characterized in that: The gear set (42) comprises a first transmission gear (421), and the first transmission gear (421) is fixedly connected to a power shaft of the drive motor (41).

7. The drain valve for a wall penetration machine according to claim 6, characterized in that: The gear set (42) further comprises a reduction gear (422) and a second transmission gear (423), wherein the reduction gear (422) is meshed with the first transmission gear (421), and the second transmission gear (423) is meshed with the reduction gear (422).

8. The drain valve for a wall penetration machine according to claim 7, characterized in that: The gear set (42) further comprises a connecting gear (424), wherein the connecting gear (424) is coaxial with the second transmission gear (423).

9. The drain valve for a wall penetration machine according to claim 8, characterized in that: The connecting gear (424) has the same diameter as the second transmission gear (423), and the connecting gear (424) is meshed with the load-bearing meshing teeth (221).

10. The drain valve for a wall penetration machine according to claim 9, characterized in that: The connecting gear (424) is provided with a plurality of connecting teeth (4241), each of the connecting teeth (4241) is arranged in a circle with the same central angle, and the central angle between the connecting teeth (4241) at the head end and the connecting teeth (4241) at the end end is less than 60 degrees and greater than 30 degrees.

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