Emergency inflation pump

Abstract

This utility model discloses an emergency air pump, relating to the field of air pump technology. The emergency air pump includes a housing, a battery, and an air pump assembly. The housing has a battery compartment and an inflation compartment, with locking structures on both the top and bottom walls of the inflation compartment. The battery is housed in the battery compartment. The air pump assembly includes a cylinder, a structural support, and a motor, all housed within the inflation compartment. The motor and cylinder are mounted on the structural support and are connected in a driving relationship. The locking structures engage with the upper and lower sides of the structural support to secure it. Compared to existing technologies, this utility model achieves the fixation of the structural support through an additional locking structure, thereby achieving the locking and fixing of the air pump assembly. This results in better assembly and fixation, and ensures the air pump assembly remains fixed throughout the assembly process, preventing displacement and thus avoiding abnormal noises or malfunctions during later use.

Description

Technical Field

[0001] This utility model relates to the field of power tool technology, and more specifically, to an emergency air pump. Background Technology

[0002] Car air pumps typically operate by rotating an electric motor. When inflating a tire, the motor rotates, driving a piston to move, and the air enters the cylinder and then from the cylinder into the tire.

[0003] Current automotive air pumps typically consist of a housing and an air pump assembly. The air pump assembly usually includes a cylinder and a motor, both of which are located inside the housing and secured by it. This housing usually provides limiting and fixing for the cylinder and / or motor. However, the method of securing the motor and / or cylinder typically involves assembling the inner wall of the housing with the structural sidewalls of the cylinder and / or motor. This assembly method is relatively ineffective, and it is difficult to prevent displacement of the motor and / or cylinder during housing assembly, which can easily lead to abnormal noises or malfunctions during later use. Utility Model Content

[0004] The purpose of this utility model is to provide an emergency air pump that can lock and fix the air pump components, resulting in better assembly and fixation, and can prevent the air pump components from shifting during assembly, thereby avoiding abnormal noises or failures during later use.

[0005] The embodiments of this utility model are implemented as follows: This utility model embodiment provides an emergency air pump, including: The housing has a battery compartment and an inflation compartment inside, and the top and bottom walls of the inflation compartment are provided with locking structures. A battery, wherein the battery is disposed in the battery compartment; An air pump assembly includes a cylinder, a structural support, and a motor, all disposed within the inflation chamber. The motor and the cylinder are both mounted on the structural support, and the motor is connected to the cylinder in a driving manner. A locking structure is correspondingly locked onto the upper and lower sides of the structural support to fix the structural support.

[0006] In an optional embodiment, the structural support includes an integrally bent first connecting plate and a second connecting plate, the cylinder is connected to the first connecting plate, the motor is connected to the second connecting plate, and the engaging structure has a bayonet, in which the second connecting plate is correspondingly engaged.

[0007] In an optional embodiment, the air chamber is L-shaped, and the first connecting plate and the second connecting plate are perpendicular to each other, so that the axial direction of the motor is perpendicular to the axial direction of the cylinder.

[0008] In an optional embodiment, the engaging structure includes an engaging plate and a surrounding plate. The engaging plate is engaged between the second connecting plate and the motor. The surrounding plate is connected to the engaging plate, and the surrounding plate and the connecting plate form a slot for accommodating the second connecting plate. The surrounding plate is provided with the latch.

[0009] In an optional embodiment, the second connecting plate is provided with a main shaft cylinder and a fixed cylinder protruding towards the motor. Both the main shaft cylinder and the fixed cylinder abut against the motor. The main shaft cylinder is used for the motor shaft to pass through, and the fixed cylinder is used for mounting bolts. The locking plate is provided with a clearance groove for avoiding the fixed cylinder.

[0010] In an optional embodiment, the receiving shell includes a first shell, a second shell, an end shell, and an end cap. The first shell and the second shell are spliced ​​together. The end shell is integrally disposed at one end of the first shell or the second shell. The end cap is detachably engaged at the other end of the first shell and the second shell. The engaging structure is provided on both the first shell and the second shell.

[0011] In an optional embodiment, the emergency air pump further includes an outer shell and an outer frame cover. The outer shell is open at both ends and covers the first housing and the second housing. The end cover seals one end opening of the outer shell, and the end housing seals the other end opening of the outer shell. The outer frame cover is detachably mounted on the end cover.

[0012] In an optional embodiment, both the first housing and the second housing are provided with a partition extension plate, the two partition extension plates protruding relative to each other, and dividing the space enclosed by the first housing and the second housing into the battery compartment and the inflation compartment.

[0013] In an optional embodiment, at least one positioning hole is provided on the first housing and the second housing, and positioning adhesive protrusions are provided on both sides of at least one of the cylinder, the structural support and the motor, and the positioning adhesive protrusions are correspondingly fitted into the positioning hole.

[0014] In an optional embodiment, the emergency air pump further includes an electronic control board, which is disposed inside the end cover and detachably connected to the end cover. The electronic control board is electrically connected to the battery, the cylinder, and the motor.

[0015] The beneficial effects of this utility model embodiment include: The emergency air pump provided in this embodiment of the invention has a battery compartment and an air filling compartment within a housing. The top and bottom walls of the air filling compartment are equipped with locking structures. The battery is housed in the battery compartment, and the air pump assembly is housed in the air filling compartment. The motor and cylinder are mounted on a structural support, with the motor and cylinder connected for transmission. The locking structures engage with the upper and lower sides of the structural support, thereby securing the support. Compared to existing technologies, the emergency air pump provided in this embodiment of the invention achieves better assembly and fixation by using additional locking structures to secure the structural support, thereby securing the air pump assembly. This results in a more effective assembly and ensures the air pump assembly remains fixed throughout the assembly process, preventing displacement and thus avoiding abnormal noises or malfunctions during later use. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A cross-sectional view of the internal structure of the emergency air pump provided in an embodiment of this utility model; Figure 2 A first exploded view of the emergency air pump provided in this embodiment of the utility model; Figure 3 for Figure 2 A schematic diagram of the engagement between the air pump assembly and the engagement structure; Figure 4 for Figure 2 Schematic diagram of the structure of the second shell in the middle; Figure 5 This is a second exploded view of the emergency air pump provided in an embodiment of the present utility model; Figure 6 This is a third exploded view of the emergency air pump provided in an embodiment of the present invention.

[0018] icon: 100-Emergency air pump; 110-Housing shell; 111-First shell; 112-Second shell; 113-End shell; 114-End cover; 115-Separation extension plate; 116-Outer shell; 117-Outer frame cover; 118-Positioning hole; 120-Interlocking structure; 121-Battery slot; 122-Interlocking plate; 123-Enclosure plate; 124-Allowing groove; 130-Battery; 131-Battery compartment; 140-Air pump assembly; 141-Inflation chamber; 142-Positioning adhesive protrusion; 150-Cylinder; 160-Structural bracket; 161-First connecting plate; 162-Second connecting plate; 163-Main shaft cylinder; 164-Fixed cylinder; 170-Motor; 171-Cooling fan; 180-Electrical control board. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0021] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0024] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] See Figure 1 and Figure 2 This utility model provides an emergency air pump 100, which can engage and fix the air pump assembly 140, resulting in better assembly and fixation. Furthermore, it prevents displacement of the air pump assembly 140 during assembly, thus avoiding abnormal noise or failure during later use. Simultaneously, the emergency air pump 100 has a compact structure and small size.

[0026] The emergency air pump 100 provided in this embodiment includes a housing 110, a battery 130, and an air pump assembly 140. The housing 110 has a battery compartment 131 and an inflation compartment 141. The top and bottom walls of the inflation compartment 141 are provided with engaging structures 120. Here, the top and bottom walls of the inflation compartment 141 refer to two opposing inner walls inside the inflation compartment 141, and the engaging structures 120 are located on the inner surface of the housing 110. The battery 130 is disposed in the battery compartment 131. The air pump assembly 140 includes a cylinder 150, a structural support 160, and a motor 170, all disposed within the inflation compartment 141. The motor 170 and the cylinder 150 are both disposed on the structural support 160, and the motor 170 is connected to the cylinder 150 in a driving connection. The engaging structures 120 are engaged with the upper and lower sides of the structural support 160 to fix the structural support 160. The housing 110 is also provided with an inflation port, which is connected to the cylinder 150, so that the cylinder 150 can be used to inflate the air.

[0027] When actually assembling the emergency air pump 100, the upper and lower sides of the structural bracket 160 can be locked and fixed using the locking structure 120, thereby fixing the air pump assembly 140. Due to the locking and fixing method, and the fact that the outer structure of the air pump assembly 140 is limited by the side wall of the inflation chamber 141, the assembly effect of the air pump assembly 140 is better, and the air pump assembly 140 can be fixed throughout the assembly process to prevent displacement of the air pump assembly 140, thereby preventing abnormal noise or failure during later use.

[0028] See Figure 3 and Figure 4 In some embodiments, the structural support 160 includes an integrally bent first connecting plate 161 and a second connecting plate 162. The cylinder 150 is connected to the first connecting plate 161, and the motor 170 is connected to the second connecting plate 162. The engaging structure 120 has a bayonet 121, in which the second connecting plate 162 is correspondingly engaged. Specifically, the first connecting plate 161 and the second connecting plate 162 are integrally formed and bent. The first connecting plate 161 is fixed to the flange plate at the end of the cylinder 150 by screws, and the second connecting plate 162 is fixed to the connecting disc at the end of the motor 170 by screws, thereby fixing the cylinder 150, the structural support 160, and the motor 170 into a whole. The second connecting plate 162 achieves edge engagement on the upper and lower sides through the bayonet 121, thus fixing the air pump assembly 140 as a whole.

[0029] It should be noted that the cylinder 150 and the motor 170 are connected by a transmission gear and a piston rod. For the specific structure, please refer to the relevant structure in the existing air pump.

[0030] In some embodiments, the inflation chamber 141 is L-shaped, with the first connecting plate 161 and the second connecting plate 162 perpendicular to each other, so that the axial direction of the motor 170 is perpendicular to the axial direction of the cylinder 150. Specifically, the inflation chamber 141 is generally L-shaped, with the first connecting plate 161 and the second connecting plate 162 bent perpendicularly to each other, allowing the cylinder 150 and the motor 170 to be distributed at the two arms of the L-shaped inflation chamber 141 respectively. Combined with the compactly assembled battery 130, this results in a more compact and rational overall layout, which is beneficial for reducing volume. Furthermore, the perpendicularity between the axial direction of the motor 170 and the axial direction of the cylinder 150 also makes the corresponding transmission gear layout more rational and improves the transmission effect.

[0031] It should be noted that the axial direction of motor 170 here refers to the direction of the rotor shaft of motor 170, while the axial direction of cylinder 150 here refers to the direction of piston movement within cylinder 150. The motor 170 mentioned in this embodiment can be a brushless motor 170, which has a smaller structure.

[0032] Furthermore, a cooling fan 171 is provided at the end of the motor 170 away from the structural support 160. The cooling fan 171 is connected to the motor 170 and rotates under the drive of the motor 170. A corresponding air vent is provided on the housing 110, which corresponds to the cooling fan 171, thereby cooling the motor 170.

[0033] In some embodiments, the engaging structure 120 includes an engaging plate 122 and a surrounding plate 123. The engaging plate 122 engages between the second connecting plate 162 and the motor 170. The surrounding plate 123 is connected to the engaging plate 122, and the surrounding plate 123 and the connecting plate form a slot that partially accommodates the second connecting plate 162. The surrounding plate 123 is provided with a latch 121. Specifically, the engaging plate 122 and the surrounding plate 123 are integrally disposed on the top or bottom wall of the housing 110, and the surrounding plate 123 is disposed on one side of the engaging plate 122 and forms a slot with the engaging plate 122. The second connecting plate 162 is partially accommodated in the slot and extends out of the slot through the latch 121. By engaging the locking plate 122 in the gap between the second connecting plate 162 and the motor 170, the locking plate 122 also serves as a positioning structure for the second connecting plate 162 and the motor 170, facilitating the quick insertion of the second connecting plate 162 into the slot 121 for fixation. The surrounding plate 123 serves two purposes: firstly, it forms a latch to facilitate the insertion of the second connecting plate 162; secondly, it enhances the structural strength of the locking plate 122, preventing it from shifting and affecting the positioning of the second connecting plate 162 and the motor 170.

[0034] In some embodiments, the second connecting plate 162 is provided with a main shaft cylinder 163 and a fixed cylinder 164 protruding towards the motor 170. Both the main shaft cylinder 163 and the fixed cylinder 164 abut against the motor 170. The main shaft cylinder 163 is used for the motor 170's rotating shaft to pass through, and the fixed cylinder 164 is used for mounting bolts. The locking plate 122 is provided with a clearance groove 124 for clearing the fixed cylinder 164. Specifically, the main shaft cylinder 163 and the fixed cylinder 164 have the same protrusion height. The main shaft cylinder 163 is located in the middle of the second connecting plate 162, and there are two fixed cylinders 164, which are arranged on the upper and lower sides of the main shaft cylinder 163. The rotating shaft of the motor 170 passes through the main shaft cylinder 163, and the rotating shaft passes through the second connecting plate 162 and is connected to the cylinder 150 through a gear set. Bolts are installed in the fixed cylinder 164, which are fitted to the screw holes at the end of the motor 170 to fix the motor 170 to the second connecting plate 162. The locking plate 122 is also provided with a relief groove 124, which is arc-shaped and adapted to the shape of the fixed cylinder 164, so as to avoid interference between the locking plate 122 and the fixed cylinder 164.

[0035] See Figure 1, Figure 2 , Figure 5 and Figure 6 In some embodiments, the housing 110 includes a first housing 111, a second housing 112, an end housing 113, and an end cap 114. The first housing 111 and the second housing 112 are spliced ​​together. The end housing 113 is integrally disposed at one end of the first housing 111 or the second housing 112. The end cap 114 is detachably engaged with the other end of the first housing 111 and the second housing 112. Both the first housing 111 and the second housing 112 are provided with engaging structures 120. Specifically, the end housing 113 may be integrally disposed at one end of the first housing 111, and the second housing 112 may be detachably disposed on the first housing 111 and fixed to the first housing 111 by screws. The first housing 111, the second housing 112, and the end housing 113 can form a housing cavity, which is divided into an inflation chamber 141 and a battery chamber 131. The housing cavity has an opening, and the end cap 114 is detachably assembled at the opening to achieve closure.

[0036] It should be noted that the end cap 114 can be fixed to the first housing 111 and the second housing 112 by screws. Specifically, the end cap 114 is provided with multiple through holes, and each through hole is fitted with a screw. The screw passes through the end cap 114 and is fixed to the screw hole at the end of the first housing 111 and the second housing 112 to achieve fixation.

[0037] Furthermore, the emergency air pump 100 also includes an outer shell 116 and an outer frame cover 117. The outer shell 116 is open at both ends and covers the first shell 111 and the second shell 112. An end cover 114 seals one end opening of the outer shell 116, and an end shell 113 seals the other end opening of the outer shell 116. The outer frame cover 117 is detachably mounted on the end cover 114. Specifically, the shape of the outer shell 116 is adapted to the shape formed by splicing the first shell 111 and the second shell 112, so that the outer shell 116 can fit precisely outside the first shell 111 and the second shell 112, achieving external shielding and limiting of the first shell 111 and the second shell 112. The edge of the end cover 114 can seal one end opening of the outer shell 116, and the end shell 113 can seal the other end opening of the outer shell 116. The end cover 114 and the end shell 113 can also limit the outer shell 116. The outer frame cover 117 can be snapped onto the end cover 114, thereby covering the screws on the end cover 114.

[0038] In some embodiments, both the first housing 111 and the second housing 112 are provided with a partition extension plate 115. The two partition extension plates 115 protrude relative to each other and divide the space formed by the first housing 111 and the second housing 112 into a battery compartment 131 and an inflation compartment 141. Specifically, the partition extension plates 115 on the first housing 111 and the second housing 112 are close together, thereby acting as a partition to divide the space between the first housing 111 and the second housing 112 into relatively independent battery compartment 131 and inflation compartment 141. At this time, the partition extension plates 115 can play a protective role, preventing parts from flying into the battery compartment 131 and causing greater damage in the event of an accident involving the high-speed rotating motor 170 or the cylinder 150 in operation. On the other hand, the partition extension plates 115 can also play a heat insulation role, preventing the hot air generated by the high-speed operation of the motor 170 from flowing excessively into the battery compartment 131 and causing the battery 130 to overheat.

[0039] In some embodiments, at least one positioning hole 118 is provided on the first housing 111 and the second housing 112, and positioning adhesive protrusions 142 are provided on both sides of at least one of the cylinder 150, the structural support 160 and the motor 170, respectively, and the positioning adhesive protrusions 142 are correspondingly fitted into the positioning hole 118. Specifically, positioning adhesive protrusions 142 are provided on both the upper and lower sides of the cylinder 150 and the upper and lower sides of the structural support 160, and positioning holes 118 are correspondingly provided on the first housing 111 and the second housing 112, and the positioning adhesive protrusions 142 are correspondingly fitted into the positioning holes 118, thereby fixing the cylinder 150 and the structural support 160 in the horizontal direction, and thus achieving overall positioning of the air pump assembly 140, ensuring the fixing effect.

[0040] Furthermore, the emergency air pump 100 also includes an electronic control board 180, which is disposed inside the end cover 114 and detachably connected to the end cover 114. The electronic control board 180 is electrically connected to the battery 130, the cylinder 150, and the motor 170. Specifically, the circuit board is disposed between the integral structure formed by the first housing 111 and the second housing 112 and the end cover 114. Screws on the end cover 114 can pass through the edge of the electronic control board 180, thereby fixing the end cover 114, the electronic control board 180, the first housing 111, and the second housing 112 into a whole. Moreover, integrating the circuit board inside the end cover 114 allows for a more compact overall layout, which is beneficial for reducing the product size.

[0041] It is worth noting that a control button is also provided on the end cover 114. This control button passes through the end cover 114 and is connected to the electronic control board 180, thereby realizing button control. At the same time, the control button can be exposed on the outer frame cover 117 to ensure the tactile feel of pressing.

[0042] In summary, the emergency air pump 100 provided in this embodiment of the present invention has a battery compartment 131 and an air chamber 141 arranged in the housing 110. The top and bottom walls of the air chamber 141 are provided with a locking structure 120, which has a latch 121. The battery 130 is arranged in the battery compartment 131, the air pump assembly 140 is arranged in the air chamber 141, and the motor 170 and the cylinder 150 are both arranged on the structural support 160. The motor 170 and the cylinder 150 are connected for transmission. The latch 121 of the locking structure 120 is correspondingly locked on the upper and lower sides of the structural support 160, thereby fixing the structural support 160. Compared with the prior art, the emergency air pump 100 provided in this utility model embodiment achieves the fixation of the structural support 160 through the additional design of the locking structure 120, thereby achieving the locking and fixing of the air pump assembly 140. The assembly and fixing effect is better, and the air pump assembly 140 can be fixed at all times during the assembly process to prevent the air pump assembly 140 from shifting, thereby avoiding abnormal noise or failure during later use.

[0043] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An emergency inflator, characterized by, include: The housing (110) has a battery compartment (131) and an inflation compartment (141) inside. The top and bottom walls of the inflation compartment (141) are provided with a locking structure (120). A battery (130) is disposed in the battery compartment (131); An air pump assembly (140) includes a cylinder (150), a structural support (160), and a motor (170) all disposed within the air chamber (141). The motor (170) and the cylinder (150) are both disposed on the structural support (160), and the motor (170) is connected to the cylinder (150) in a transmission manner. The engaging structure (120) engages with the upper and lower sides of the structural support (160) to fix the structural support (160).

2. The emergency inflator according to claim 1, wherein The structural support (160) includes an integrally bent first connecting plate (161) and a second connecting plate (162). The cylinder (150) is connected to the first connecting plate (161), and the motor (170) is connected to the second connecting plate (162). The locking structure (120) has a bayonet (121), and the second connecting plate (162) is correspondingly locked in the bayonet (121).

3. The emergency inflator according to claim 2, wherein The air chamber (141) is L-shaped, and the first connecting plate (161) and the second connecting plate (162) are perpendicular to each other so that the axial direction of the motor (170) is perpendicular to the axial direction of the cylinder (150).

4. The emergency inflator pump of claim 2, wherein, The engaging structure (120) includes an engaging plate (122) and a surrounding plate (123). The engaging plate (122) is engaged between the second connecting plate (162) and the motor (170). The surrounding plate (123) is connected to the engaging plate (122), and the surrounding plate (123) and the connecting plate form a slot that partially accommodates the second connecting plate (162). The surrounding plate (123) is provided with the latch (121).

5. The emergency air pump according to claim 4, characterized in that, The second connecting plate (162) is provided with a main shaft cylinder (163) and a fixed cylinder (164) protruding towards the motor (170). The main shaft cylinder (163) and the fixed cylinder (164) both abut against the motor (170). The main shaft cylinder (163) is used for the shaft of the motor (170) to pass through, and the fixed cylinder (164) is used for mounting bolts. The locking plate (122) is provided with a relief groove (124) for avoiding the fixed cylinder (164).

6. The emergency air pump according to any one of claims 1-5, characterized in that, The receiving shell (110) includes a first shell (111), a second shell (112), an end shell (113), and an end cap (114). The first shell (111) and the second shell (112) are spliced ​​together. The end shell (113) is integrally disposed at one end of the first shell (111) or the second shell (112). The end cap (114) is detachably engaged at the other end of the first shell (111) and the second shell (112). The engaging structure (120) is provided on both the first shell (111) and the second shell (112).

7. The emergency air pump according to claim 6, characterized in that, The emergency air pump also includes an outer shell (116) and an outer frame cover (117). The outer shell (116) is open at both ends and covers the first shell (111) and the second shell (112). The end cover (114) is sealed at one end of the outer shell (116), and the end shell (113) is sealed at the other end of the outer shell (116). The outer frame cover (117) is detachably mounted on the end cover (114).

8. The emergency air pump according to claim 6, characterized in that, Both the first housing (111) and the second housing (112) are provided with a partition extension plate (115). The two partition extension plates (115) protrude relative to each other and divide the space formed by the first housing (111) and the second housing (112) into the battery compartment (131) and the air inlet compartment (141).

9. The emergency air pump according to claim 6, characterized in that, At least one positioning hole (118) is provided on the first housing (111) and the second housing (112). Positioning adhesive protrusions (142) are provided on both sides of at least one of the cylinder (150), the structural bracket (160) and the motor (170), and the positioning adhesive protrusions (142) are correspondingly assembled in the positioning hole (118).

10. The emergency air pump according to claim 6, characterized in that, The emergency air pump also includes an electronic control board (180), which is located inside the end cover (114) and is detachably connected to the end cover (114). The electronic control board (180) is electrically connected to the battery (130), the cylinder (150) and the motor (170).

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