Steam pipe universal joint
By introducing elastic parts and sealing structures into the steam pipe universal joints, the rotation and sealing properties of the steam pipe are realized in any direction, solving the problems of limited swing direction and poor hand feeling in the prior art. At the same time, the use of thermal insulation materials improves Security of use.
Patent Information
- Application Number
- CN202420203166.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-29
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-01-29
AI Technical Summary
The swing direction of the existing steam pipes is limited, the operation feels poor, and the steam pipes are prone to hot when swinging.
A steam tube universal joint including a ball head and a ball head receiving seat is designed. The ball head receiving seat is equipped with elastic members to provide preloading force, allowing the ball head to rotate in any direction, and ensured by sealing silicone and limiting parts. The steam channel has a stable sealing and structure, and a steam handle made of thermal insulation material is used to prevent scalding.
The universal rotation of the steam pipe is achieved, the operation force is light, the hand feels better, and the safety of use is improved through sealing and thermal insulation materials.
Smart Images
Figure CN222229797U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a steam milk foaming device, in particular to a steam pipe universal joint. Background Art
[0002] With the improvement of living standards, people have a higher demand for beverages. The taste of milk drinks or coffee drinks after stirring and foaming is much better than that of the original products without foaming. Therefore, the market demand for milk foam drinks is increasing. The coarseness of milk foam has a great influence on the taste of beverages. The coarser the milk foam, the faster the bubbles float up, and the worse the fusion with milk, the less delicate taste can be experienced; the finer the milk foam, the slower the bubbles float up, the better the fusion, the fine milk foam has a shiny surface and a dense taste.
[0003] The steam pipe is a common milk frothing device. A Chinese utility model patent with patent number CN202320424629.3 (authorization announcement number CN219613626U) discloses the "Steam Pipe Structure of Coffee Machine", which includes a steam rod, a swinging connecting pipe and a steam pipe. The swinging adjustment capability of the swinging connecting pipe can be used to control the steam pipe and the steam rod to swing. However, the method of using a swinging connecting pipe to control the swing of the steam pipe has restrictions on the swing direction of the steam pipe, which has great limitations for user operation.
[0004] In order to allow the ball head to rotate in any direction, a Chinese utility model patent with patent number CN201020680183.3 (authorization announcement number CN201920513U) discloses "a universal ball head connection structure for a water outlet pipe or steam pipe of a coffee machine", which includes a pipe and a universal ball head, and the universal ball head is used to realize the universal swing of the steam pipe. However, the following problems still exist: there is hard contact between the universal ball head and the mounting seat, and the operating feel is poor when the steam pipe swings. Utility Model Content
[0005] The first technical problem to be solved by the utility model is to provide a steam pipe universal joint which has light operating force and can be universally rotated in view of the above-mentioned existing technical status.
[0006] The technical solution adopted by the utility model to solve the above technical problems is: the steam pipe universal joint includes a steam pipe, a ball head and a ball head receiving seat, and a ball head receiving cavity is defined in the ball head receiving seat. It is characterized in that an elastic member is arranged in the ball head receiving seat, and the elastic member provides a pre-tightening force to limit the ball head in the ball head receiving cavity.
[0007] Preferably, the ball head receiving seat includes an upper bracket, a lower bracket and a connecting head, the lower bracket is provided with a first cavity, the connecting head is provided with a second cavity, the first cavity and the second cavity constitute a ball head receiving cavity, and the ball head is installed in the ball head receiving cavity; the elastic member is sleeved on the connecting head, and a step for limiting the elastic member is provided at the bottom of the connecting head, and the top of the elastic member is against the upper bracket.
[0008] Preferably, the elastic member is a spring.
[0009] Preferably, the connecting head, the ball head and the steam pipe are hollow inside to form a steam channel.
[0010] In order to ensure the sealing of the steam channel, preferably, a groove is provided at the bottom of the connector toward the ball head, and a sealing silicone is provided in the groove to seal the ball head and the connector. The sealing silicone tightly connects the connector and the ball head to prevent steam from leaking from the gap between the connector and the ball head.
[0011] In order to limit the relative rotation of the connector and the lower bracket, preferably, the lower bracket is provided with at least one stopper toward the connector, and the connector is provided with a stopper groove matched with the stopper. The stopper is inserted into the stopper groove to fix the relative position of the connector and the lower bracket to prevent the connector and the lower bracket from relative rotation.
[0012] In order to assemble the upper bracket and the lower bracket, preferably, the lower bracket is provided with a first connecting member, and the upper bracket is provided with a second connecting member, and the first connecting member and the second connecting member cooperate to fix the upper bracket and the lower bracket together.
[0013] In order to facilitate the assembly of the upper bracket and the lower bracket, preferably, the first connecting member is a positioning member protruding from the outer wall of the lower bracket, and the second connecting member is a locking member under the upper bracket that matches the positioning member, and the positioning member and the locking member are buckled and connected. The buckling connection can simply and quickly assemble the upper bracket and the lower bracket. When the upper bracket and the lower bracket are buckled, the locking member of the upper bracket is pushed away by the protruding positioning member of the lower bracket until the hook-shaped protruding part of one of the parts is pushed away by the flange part of the connected part until the protrusion of the positioning member is completed.
[0014] In order to stably assemble the upper bracket and the lower bracket, preferably, two positioning members and two locking members are symmetrically arranged.
[0015] In order to prevent the steam pipe from scalding hands, preferably, a steam handle is provided on the steam pipe. The steam handle is made of heat-insulating material to avoid being scalded by high temperature when swinging the steam pipe.
[0016] Compared with the prior art, the advantages of the utility model are: 1. The universal rotation of the steam pipe is realized through the ball head structure, and the steam pipe can be rotated to any position within a certain range; 2. An elastic member is arranged in the ball head receiving seat to provide a pre-tightening force to limit the ball head in the ball head receiving cavity, so that the ball head has a better operating feel when rotating and the rotation force is light. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;
[0018] Figure 2 An exploded view of an embodiment of the utility model;
[0019] Figure 3 This is a schematic diagram of an embodiment of the utility model without the upper bracket;
[0020] Figure 4 It is a cross-sectional view of the ball head and the ball head receiving seat in the embodiment of the utility model. DETAILED DESCRIPTION
[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0022] like Figure 1-4 The figure shows the best embodiment of the utility model. A steam pipe universal joint comprises a steam pipe 1, a ball head 2 and a ball head receiving seat 3, wherein a ball head receiving cavity 7 is defined in the ball head receiving seat 3. The ball head receiving seat 3 comprises an upper bracket 31, a lower bracket 32 and a connector 33, wherein the lower bracket 32 is provided with a first cavity, and the connector 33 is provided with a second cavity, wherein the first cavity and the second cavity constitute the ball head receiving cavity 7, and the ball head 2 is installed in the ball head receiving cavity 7. A spring 4 is sleeved on the connector 33 to provide a pre-tightening force to the ball head 2, so as to limit the ball head 2 in the ball head receiving cavity 7, so that the ball head 2 has a light force when rotating, and has a better operating feel. The spring 4 is sleeved on the connector 33, the top of the spring 4 abuts against the upper bracket 31, and the bottom abuts against the step 34 for limiting at the bottom of the connector 33. The connector 33, the ball head 2 and the steam pipe 1 are hollow inside to form a steam channel. To ensure good sealing of the steam channel, a groove is provided at the bottom of the connector 33 toward the ball head 2. Sealing silicone 5 is provided in the groove to prevent steam from leaking from the gap between the connector 33 and the ball head 2.
[0023] In order to limit the relative rotation of the connector 33 and the lower bracket 32, the lower bracket 32 is provided with two limit members 35 toward the connector 33, and the connector 33 is provided with a limit groove 36 that matches the limit member 35. The limit member 35 is inserted into the limit groove 36 to fix the relative position of the connector 33 and the lower bracket 32 to prevent the connector 33 and the lower bracket 32 from rotating relative to each other.
[0024] In order to facilitate the assembly of the upper bracket 31 and the lower bracket 32, the outer wall of the lower bracket 32 is provided with a positioning piece 37, which is a protrusion with a narrow upper section and a wide lower section. The upper bracket 31 is provided with a locking piece 38 that matches the positioning piece 37. The positioning piece 37 and the locking piece 38 are buckled and connected. When the upper bracket 31 and the lower bracket 32 are buckled, the locking piece 38 of the upper bracket 31 is pushed open by the protruding positioning piece 37 of the lower bracket 32 until the hook-shaped protruding part of one of the parts is pushed open by the flange part of the connected part until the protrusion of the positioning piece 37 is completed, and the upper bracket 31 and the lower bracket 32 can be assembled. In order to ensure stable assembly, two positioning pieces 37 and locking pieces 38 are installed symmetrically.
[0025] In addition, in order to prevent the steam pipe 1 from scalding the hand, a steam handle 6 is also provided on the steam pipe 1. The steam handle 6 is made of heat-insulating material to avoid being scalded by high temperature when the steam pipe 1 is swung.
Claims
1. A steam pipe universal joint, comprising a steam pipe (1), a ball head (2) and a ball head receiving seat (3), wherein a ball head receiving cavity (7) is defined in the ball head receiving seat (3), and characterized in that: An elastic member is arranged in the ball head receiving seat (3), and the elastic member provides a pre-tightening force to restrict the ball head (2) in the ball head receiving cavity (7).
2. The steam pipe universal joint according to claim 1, characterized in that: The ball head receiving seat (3) comprises an upper bracket (31), a lower bracket (32) and a connecting head (33); the lower bracket (32) is provided with a first cavity; the connecting head (33) is provided with a second cavity; the first cavity and the second cavity constitute a ball head receiving cavity (7); the ball head (2) is installed in the ball head receiving cavity (7); the elastic member is sleeved on the connecting head (33); a step (34) for limiting the elastic member is provided at the bottom of the connecting head (33); the bottom of the elastic member abuts against the step (34); and the top of the elastic member abuts against the upper bracket (31).
3. The steam pipe universal joint according to claim 2, characterized in that: The elastic member is a spring (4).
4. The steam pipe universal joint according to claim 2, characterized in that: The connecting head (33), the ball head (2) and the steam pipe (1) are hollow inside to form a steam channel.
5. The steam pipe universal joint according to claim 2, characterized in that: A groove is provided at the bottom of the connecting head (33) in the direction of the ball head (2), and a sealing silicone (5) is provided in the groove for sealing the ball head (2) and the connecting head (33).
6. The steam pipe universal joint according to claim 2, characterized in that: The lower bracket (32) is provided with at least one limiting member (35) facing the connecting head (33), and the connecting head (33) is provided with a limiting groove (36) matching with the limiting member (35).
7. The steam pipe universal joint according to any one of claims 2 to 6, characterized in that: The lower bracket (32) is provided with a first connecting piece, and the upper bracket (31) is provided with a second connecting piece, and the first connecting piece and the second connecting piece cooperate to fix the upper bracket (31) and the lower bracket (32) together.
8. The steam pipe universal joint according to claim 7, characterized in that: The first connecting member is a positioning member (37) protruding from the outer wall of the lower bracket (32), and the second connecting member is a locking member (38) under the upper bracket (31) and matched with the positioning member (37), and the positioning member (37) and the locking member (38) are buckled and connected.
9. The steam pipe universal joint according to claim 8, characterized in that: Two positioning members (37) and two locking members (38) are symmetrically arranged.
10. The steam pipe universal joint according to claim 1, characterized in that: The steam pipe (1) is provided with a steam handle (6).