TWI336748B - - Google Patents

Description

1336748 IX. Description of the Invention: [Technical Field of the Invention] The present invention mainly discloses an inflator, especially a pump structure having a double cylinder wall structure and a τ-type handle. [Prior Art]

Please refer to the patent application of "Handhold of a Hand-held Inflator" in the patent application No. 86,214,553, which discloses a pump structure of a τ-type handle, which has the disadvantage that when the pumping cylinder 3 is in the folded position (such as The fifth figure), the appearance of the grip member 50, the movable cylinder tube 4〇 and the head 32 is an uneven appearance, and there is no fixing device between the movable cylinder tube 4〇 and the piston rod 34, which is disadvantageous for collecting. . Moreover, in order to achieve the unfolding and folding of the open end 52 of the grip member 50, the grip member 5 is usually made of a plastic material so that the open end 52 of the grip member 50 has elasticity (such as The fourth picture). However, when the open end 52 of the grip member 50 is caused to be inflated by the user's grip and force, the open end 52 of the grip member 50 is deformed by the contraction deformation, and the user feels that the pumping operation cannot be performed effectively. Referring to the patent application No. 86221565 of the Chinese Patent Application No. 86221565, the "inflator grip 2" is specifically disclosed. The disclosure of the pump of the T-handle uses a button 161 for the user to press. To control the barbs ΐβ?, ^ and the curved card slot affixed to the grip 17 is exposed on the outer surface of the pump body 1G, and the (4) uneven appearance is also obtained, and the portion i6i is easy. It was accidentally touched, 6 1336748, and the connecting rod 11 was opened by the compression spring 13, which was not conducive to the collection.

Moreover, in order to achieve the locking of the round bar 112, the grip 17 is usually made of a plastic material, and two projections 173 and a rib 174 are formed for the card to be fixed. However, this will cause the grip 17 to be inflated when the user grips and exerts a force, causing the user to feel that the grip 17 is inflated and deformed, so that the user feels that the pumping operation cannot be performed effectively. Refer to "Inflator" in our Patent Application No. 91219135

The patented folding handle device discloses a T-handle pump structure. The disadvantage is that there is no fixing device between the shaft 13 and the gas cylinder 1, which is disadvantageous for collection. And the handlebar 2 is set to be the same length as the air cylinder 1, so that the length of the handlebar 2 is too long, and the groove 21 is axially penetrated through the two ends of the handlebar 2, causing the handlebar 2 to be energized by the user while holding the force. The disadvantage of causing the handlebar 2 to be more easily contracted and deformed 'Let's (4) can't be effective (10). In addition to this

:Zhong=Ting will also affect the pumping action, and it is easy to form a pneumatic pump. In addition, the above three types of D-handle pump are missing, that is, the pump cylinder and the D-type handle have the same need in the cylinder. The shape of the body or the shape of the handle is made by the trademark bite: when the sample is like, the butterfly level is _ material, but it is called off = the trademark or pattern of the other hand must be with the τ type handle =: shell, the industry accepts. Moreover, the watch outside the cylinder is directly exposed to the sun, rain, and foreign objects.

It can overcome the above-mentioned structure to solve the structure, the external .μ m, the damage of the rain, can avoid 1336748 『and the description of the lack of the conventional structure, the inventor has invented a /, the double handle wall of the Ti handle The structure of the pump" knows all the shortcomings of the structure. SUMMARY OF THE INVENTION The technical problem of the double-inflator structure with the T-shaped handle is that the (four) (four) pump, the sleeve and the handle sleeve can effectively resist the sun and rain, and the foreign body directly intercepts the body. And the handle body, into the (four) to improve the) at the same time two straight, with a minimalist appearance of the pump 'rwM's Jing and the handle can be independently processed the customer's required trademarks and patterns, the industry adaptability, said It is the same material as the handle sleeve, and the processing is simple, which can reduce the production cost.玎众村 1曰 provides a structure that can reduce the weight of the psychedelic poetry with a financial effect, and has the effect of lightening. Providing - the grip will not be arbitrarily unfolded, the rod will not be arbitrarily pulled out of the structure of the barrel ‘has a good _ fixed effect, more convenient for collection. Provides a two-stage fixed grip structure. When the grip is unfolded, the grip must be rotated first, and then the grip is pulled out. When the grip is folded, the grip must be pushed first, and then the grip is rotated. Safety and 敎 _ _ effect. 8 cylinder: hair: two-type f-hand double-tube wall pump structure, which includes the handle sleeve; to; the cylinder and the grip are respectively provided with a sleeve and a field into a double cylinder wall structure, which can effectively resist The devastating, but also the winter s > ... melon hatching sun, rain and high life 』; m barrel body and handle body, and then to the second, the ❹ and the sleeve are set to reduce the weight of the structure, Structure, the second two-stage operation can be fixed or released, and the current phase is set as described in the following description. [Embodiment] The technology, the means and the efficacy thereof adopted by the present invention are preferably implemented. For example, this example is for illustrative purposes only and is not limited by this structure in patent applications. Referring to the drawings - to FIG. 3, the double-walled air pump of the T-handle of the present invention comprises a cylinder 10, a rod body 2 and a grip 30; wherein: the cylinder 10 includes a barrel 11 and a combination respectively The vertical air nozzle head 12 and a limiting member 13 at the two ends of the barrel body 11. The tuyere 12 has a cylindrical head rim 121 and a joint end 122 extending axially along the head 121. The outer diameter of the joint end 122 is smaller than the outer diameter of the head portion 121, and a shoulder portion is formed between the joint end 122 and the head portion 121. Thus, when the joint end 122 is coupled to the U-end of the barrel, the end of the barrel U can be abutted against the shoulder of the tuyere head 12. Air nozzle 1336748 The joint end ι·22 of the head 12 is coupled to one end of the barrel body in a threaded manner. Further, a sealing ring 123 is provided between the joint end 122 of the tuyeres 12 and the barrel u to achieve an airtight effect. The limiting member 13 has a circular outer edge 131 and a fixed end 132 extending axially along the outer edge 131. The outer diameter of the fixed end 132 is smaller than the outer diameter ' of the outer edge 131 to form a shoulder between the fixed end 132 and the outer edge 131. Thus, when the fixed end 132 is coupled to one end of the barrel u, the end of the barrel u can be abutted against the shoulder of the stopper 13. The fixed end 132 of the limiting member 丨3 is coupled to the barrel body in a threaded manner opposite to one end of the tuyere head 12. A concealed fastening slot 133 (FIG. 4) is recessed from the end of the limiting member 132 opposite to the fixed end 132. The concealed fastening slot 133 is provided with at least one buckle extending radially along the limiting member 13. A block 134, and a spring 135 corresponding to the snap block 134 and maintaining a spacing. The limiting member 13 is provided with a through hole 136 extending axially through the two ends. In the present embodiment, two hidden eight hundred and eighty-degree fastening blocks 134 and a spring 135 are provided in the concealed fastening groove 133 for the user to perform the fastening operation. The barrel 10 further includes a sleeve 14 disposed outside the barrel 1 . The sleeve 14 provides an outer surface of the barrel 10 having an outer diameter, and the sleeve can be made of a metal material. The end of the barrel 11 away from the tuyere 2 is provided with a joint portion 111, and the sleeve 14 is fixed to the ends of the sleeve 14 by a fixing member 15 coupled to the barrel portion of the barrel 111. Between the shoulder of the tuyere 12 and the fixture 15. The fixing member 15 is threadedly engaged with the barrel joint portion 111. The outer diameter of the sleeve 14 is the same as the outer diameter of the head 121 of the tuyere head a, and is concentric, so that the sleeve 14 and the head portion 1336748 of the tuyere head 12 are of the same outer diameter. The inner ring of the sleeve 4 is provided with a recessed portion 41 for reducing the weight 4 of the sleeve 14 while maintaining the sleeve 14 with sufficient structural strength for the user to hold the handle. . Therefore, the sleeve 14 having the depressed portion 141 on the inner side can provide an effect of reducing the weight of the pump. Moreover, the outer side of the barrel body is provided with a concave ring groove 112 at a position relative to the recessed portion 141 of the sleeve 14. The concave ring groove 112 is used to reduce the weight of the barrel η while keeping the barrel 11 sufficiently durable. The structural strength of the pressure when filling the inflatable body. Therefore, the barrel 11 having the concave ring groove 112 on the outer side can provide an effect of reducing the weight of the pump. The rod body 20 is slidably disposed in the barrel 1 , and can generate relative reciprocating motion to achieve the effect of filling the inflatable body. The rod body 2 includes a rod member 21 and a piston 22 and a push rod 23 respectively coupled to the ends of the rod member 21. The rod member 21 is slidably disposed in the through hole 136 of the limiting member 13 and the barrel body u, and a 〇-shaped ring 221 is disposed between the piston 22 at the end of the rod member 21 and the inner side of the barrel U to achieve irrigation The effect of the inflatable body. The push rod 23 is coupled to one end of the rod member 21 and protruded from the end of the limiting member 13 by a threaded engagement. The end of the push rod 23 adjacent to the limiting member 13 is formed with a fastening for the hidden fastening slot 133. End 231 (Figure 4). The fastening end 231 is provided with at least one fastening block 232 for fastening between the fishing rods 135 of the fastening block 134. The fastening block 232 is recessed and provided with a locking groove 2 for the top of the elastic piece 135. When the card is fixed 232, the fixing groove 233 is configured to receive the fastening block 134 of the limiting member 13. In this embodiment, the two ends of the 180-degree locking block 232 are provided as the best representations for the user to easily fasten the push rod 23 to the limiting member 13 . At the office. The end of the push rod 23 opposite to the fastening end 231 is provided with a laterally extending shaft seat 234. A shaft hole 235 is defined in the shaft seat 234 for pivoting a pin 24. The outer circumference of the shaft seat 234 is provided with two positioning slots 236 adjacent to the ninety-degree angle, and the outer periphery of the shaft seat 234 is convexly provided with a stop block 237 on the side of the positioning groove 236. The grip 30 is pivotally connected to the push rod 23 of the shaft 2〇 for the user to operate to achieve the effect of filling the inflatable body. The grip 3 includes a handle body 31 and a sleeve 32 disposed outside the handle body 31. The handle sleeve 32 provides an outer surface in which the grip 30 presents an identical outer diameter, and the handle sleeve 32 can be a metal material. . The shank body 31 is provided with a u-shaped accommodating groove 311 extending axially and having an open end. The accommodating groove 311 is for receiving the push rod 23, and the receiving groove 311 is formed with an abutting portion 312 opposite to the open end. A positioning block 313 is protruded from the base 3丨2. The handle body 31 further defines a pivot hole 314' transversely extending through the receiving groove 311. The handle body 31 is pivotally connected to the pin 24 by the pivot hole 314, and the handle body 31 is pivoted relative to the push rod 23. Therefore, the handle body 31 can selectively drop the positioning block 313 into the positioning groove 236 of the push rod 23, and at the same time, the stop block 237 of the push rod 23 can abut against the abutting portion 312 of the handle body 31, so that the handle body 31 is positioned at the collapsed position or the expanded position. One end of the handle body 3 is annularly provided with a tenon 315. The outer diameter of the tenon 315 is larger than the outer diameter of the handle body 31, so that a shoulder portion is formed. The outer diameter of the handle body 31 is equal to the barrel body 11#, so that the handle body 31 is opposite to the end of the tenon 315 for abutting against the limiting member 13 when the handle body 31 is positioned at the folding position. The outer circumference of the shank 31 is provided with a long groove 316' at each of the two sides of the accommodating groove 311. The long groove 316 is used to reduce the weight of the shank 31 while the shank 31 still has sufficient structural strength. 12 1336748 f sleeve 32 is coupled to the outer circumference of the handle body 31, and the sleeve is sleeved on the shoulder of the handle body 31 and the tongue 315. The outer diameter of the sleeve 32 is the same as the outer diameter of the protrusion and is concentric, so the handle (four) and the handle The body of the 31-handle J 315 is in the form of a phase. The handle sleeve is opposite to the handle: the position of the hole 2 is provided with a through hole 321 for the pin 24 to extend. The handle sleeve = the position of the mouth-receiving groove 3U is opened with a notch 322, the visibility of the lack of ^ is greater than the width of the push rod 23, and the outer diameter of the lateral direction 11 of the notch 322. The shank 32 has an h portion 323 extending out of the shank ^i. The engaging portion 323 is attached to the outside of the barrel 11 when the shank 31 is engaged with the shank 31 to prevent the shank 31 from pivoting. Since the heads m of the tuyeres 12, the sleeves 14, the fixings 5, the shank 32 and the shank 31 of the shank 31 have the same outer diameter and are concentric, when the shank 31 is in the folded position, the overall appearance of the pump is The same outer diameter, minimalist appearance. Moreover, the outer sleeve 14 and the shank 32 can effectively resist the smashing of the sun and the rain, and the foreign body can be directly prevented from directly colliding with the barrel U and the shank 3 to achieve a high service life. At the same time, the outer sleeve 14 and the handle sleeve 32 can independently process the trademarks and patterns required by the customer, and the industrial adaptability is strong, and the sleeve 14 and the sleeve 32 belong to the same material as the pipe material, and the processing is simple, and the production cost can be reduced. Referring to Fig. 1 to Fig. 5, the state of the grip of the present invention is different from the folding position. The grip 3 in the folded position is not arbitrarily unfolded, and the rod 21 is not arbitrarily smashed outside the body U, and has a good smashing effect, which is more convenient for collection. It also provides a pump with a flat overall shape and a minimalist appearance. 13 1336748 Hold 11 6 to 8 and use the two-stage fixed grip 30 and release for the present invention.

Can be placed directly, not in the barrel

The clamping block 232 of the stuck end 231 of the Hit23

The fastening block 134 along the 曰 3 η 3 is as shown in FIG. 6 and FIG. Then, 323 is pulled out to pull out the grip 3 in the direction of the force axis, so that the engaging portion 323 of the shank 32 serves to release the safety effect of the grip 30 as shown in FIG. If you need to fix the grip 3Q on (4) 1Q, then you can fix the effect by rotating the grip 3〇 according to the above 彳3G, which has the advantage of safety.

Μ Figure 9 is a state diagram of the grip 3Q of the present invention in the deployed position. After the grip = 30 is unfolded, the movement of the body can be performed. Since the positioning block 313 and the positioning groove 236 are respectively disposed between the push rod 23 and the positioning rod 236, a good positioning effect can be achieved in the unfolding position or the folding position, and the handle body 31 and the push cup 23 are respectively separated. The abutting portion 312 and the stopper 237' are provided to obtain an auxiliary supporting effect when the handle body 31 and the push rod 23 are positioned. As described above, the present invention can be summarized as follows: L. The invention has the structure of a double-tube wall pump with a handle type, and provides a double-tube wall pumping structure, and the outer sleeve and the handle sleeve can be Effectively resisting the sun and rain, it can prevent the foreign matter from directly colliding with the barrel and the body of the Yang 14 to improve the service life. 2. The invention discloses a double-walled air pump structure with a τ-type handle, which provides an air pump with a flat overall shape and a minimal appearance, and the outer sleeve and the handle sleeve can be independently processed by the customer. Trademarks and patterns, the industry has strong adaptability, and the sleeves and handles belong to the same pipe material. Adding a single can reduce production costs. Jane 3. The invention relates to a "double-tube wall pump structure with a T-handle", wherein the body, the body and the sleeve are respectively provided with a long groove, a concave ring groove and a recessed portion to provide an effective pumping reduction pump The structure of the overall weight, the shackles. 4, the invention has a 7-handle double-tube wall pump structure, the handle sleeve is provided with a engaging portion', and the secret piece and the turning powder are not connected to the groove and the fastening end, and the grip is not provided. Will be arbitrarily unfolded, the rod = the structure of the barrel that is pulled out, has a good fixing effect, is more convenient to receive the invention>, 1 double-walled pump structure of the dust mites, provides a two-stage fixed grip The structure needs to first rotate the grip and then pull out the grip when unfolding the grip. When folding the grip, the grip must be pushed first, and then the grip is rotated, which has a safe and stable fixing effect. Only the above is only the preferred embodiment of the present invention, and can't be == Γ !! '故! Any change in value or: effect yuan, 2 < 本发@巾料魏骑作的均Changes and modifications are still within the scope of the invention patent. 15 1336748 [Brief description of the drawings] Fig. 1 is a perspective view of the present invention. Figure 2 is a perspective exploded view of the present invention. Figure 2 is a cross-sectional view taken along line 3_3 of Figure 1 of the present invention. Figure 4 is a cross-sectional view taken along line 4_4 of Figure 3 of the present invention. Figure 5 is a cross-sectional view taken along line 5-5 of Figure 3 of the present invention. Figure ',. This is a continuation of the haircut five, indicating that the putter is rotated ninety degrees relative to the limiter. Figure 7: Sectional view taken along line 7-7 of Section 6 of the National Highway. Figure 8 is a continuation of Figure 7 of the present invention, showing the state in which the grip is separated from the barrel. Figure IX. This is a continuation of the issuer, indicating that the grip is positioned in the deployed position. Attachment -: Patent Application No. 86214553. Attachment 2: It is the patent case of the ship's secret number in China's patent application case number. Attachment 2: It is the patent case No. 9i2i9i35 of the patent in China.

11 barrel 112 concave ring groove 121 head 123 sealing ring 131 outer edge 133 concealed fastening groove 135 spring 14 sleeve [main component symbol description] 10 cylinder 111 joint portion 12 tuyere 122 joint end 13 limit member 132 fixed end 134 fastening block 136 through hole 1336748 141 recessed portion. 15 fixing member 20 rod 21 rod 22 piston 221 0 ring 23 push rod 231 clamping end 232 clamping block 233 clamping groove 234 shaft seat 235 shaft Hole 236 positioning groove 237 stop block 24 pin 30 grip 31 handle body 311 receiving groove 312 abutment portion 313 positioning block 314 pivot hole 315 tongue 316 long groove 32 handle sleeve 321 perforation 322 notch 323 engagement portion 17

Claims (1)

1336748 X. Patent application scope: 1. A double-tube wall pump structure with a τ-type handle, comprising: a cylinder, the cylinder body comprising a cylinder body and a tuyeres respectively coupled to the two ends of the barrel body And a limiting member, the limiting member is concavely provided with a hidden fastening groove at one end, and the cylindrical body is further provided with a sleeve outside the barrel, the sleeve provides an external appearance of the same outer diameter, the tuyere The head has a cylindrical head, and the outer diameter of the sleeve is the same as the outer diameter of the head of the tuyere, and is concentric, so that the sleeve and the head of the tuyeres have the same outer diameter, The barrel ring δ has a joint portion, and the joint portion is provided with a fixing member for fixing the sleeve so that the two ends of the sleeve are between the tuyeres and the jaws; The rod body comprises a rod member and a piston and a push rod respectively coupled to the two ends of the rod member, the rod member extending through the secret member, the rod member having the piston end-slidingly disposed in the barrel body And one end of the rod with the push rod is exposed outside the limiting member, and the push rod is adjacent to one end of the limiting member=:? The carded end of the slot to achieve a good roll = bar: the handle of the sea includes a handle and a sleeve that is sleeved outside the handle to provide the handle with the appearance of the same outer diameter, one end of the handle The handle body is provided with: for accommodating the push rod body, which can be opened with respect to the push rod in the unfolding position and the retracting position, and is provided for the position of the handle receiving groove of the handle body - the lack width = two: = the width is greater than the push The width of the rod, and the horizontal engaging portion of the notch, the engaging portion (4) of the C-clamp has a handle body extending out of the handle body and is sleeved outside the barrel 18 1336748 when the folded position is located, thereby preventing The effect of the stalk body pivoting. 2. The τ configuration of claim 1, wherein the outer circumference of the shank is opposed to a long groove accommodating to reduce weight. The position of the two sides of the double handle wall of the holy handle is provided separately. 3. The handle of the τ type according to claim 1 is constructed. The inner ring of the *Huiqing sleeve is provided with a recessed portion, which is light in weight. Double cylinder wall pump knot The double-walled air pumping knot is used to reduce the weight of the outer ring of the cylinder. The outer ring of the cylinder is provided with a concave ring groove, which is light in weight. 5. The double cylinder wall structure of the handle type handle according to claim i, wherein the hidden fastening groove is provided with at least one fastening block, and one corresponding to the fastening block and maintaining a spacing The latching piece is provided with at least one fastening block for fastening between the fastening block and the elastic piece, and the fastening block is recessed with a fastening groove for receiving the fastening block. 〇 6. The dual-tube wall pump structure of the 把手-type handle according to Item 5, wherein the hidden fastening groove is provided with two adjacent 180-degree buckle blocks and shrapnel. <7> The double-tube wall pump structure with a handle type according to claim 5, wherein the fastening end is provided with two adjacent one-eighty-eight-degree locking blocks. The double-cylinder air pump structure with a handle type according to claim 1, wherein one end of the push rod is provided with a shaft seat extending laterally and pivotally connected to the handle body, and the outer circumference of the shaft seat is provided with two adjacent nine The positioning groove of the ten-degree angle, and the receiving groove is formed with an abutting portion and the positioning portion is convexly disposed. The fixed position of the 19 1336748 block is matched with the positioning groove of the push rod to form a positioning. 9. The double-tube wall pump structure having a T-handle according to claim 8, wherein the outer periphery of the shaft seat is provided with a stopper which is in contact with the abutment portion of the shank. 10. The double-tube wall pump structure having a T-handle according to claim 9, wherein the fixing member and the barrel joint portion are threadedly engaged. 11. The double-tube wall pump structure with a T-handle according to claim 1, wherein one end of the handle body is provided with a tenon, and the end of the handle body opposite to the tenon is for abutting against the limit. And the outer diameter of the shank is the same as the outer diameter of the shank of the shank and is concentric, so that the shank of the shank and the shank have the same outer diameter, and the sleeve is the same as the shank The tubular structure of the outer diameter. 20